1
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An Y, Lim J, Glavatskikh M, Wang X, Norris-Drouin J, Hardy PB, Leisner TM, Pearce KH, Kireev D. In silico fragment-based discovery of CIB1-directed anti-tumor agents by FRASE-bot. Nat Commun 2024; 15:5564. [PMID: 38956119 PMCID: PMC11219766 DOI: 10.1038/s41467-024-49892-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2023] [Accepted: 06/19/2024] [Indexed: 07/04/2024] Open
Abstract
Chemical probes are an indispensable tool for translating biological discoveries into new therapies, though are increasingly difficult to identify since novel therapeutic targets are often hard-to-drug proteins. We introduce FRASE-based hit-finding robot (FRASE-bot), to expedite drug discovery for unconventional therapeutic targets. FRASE-bot mines available 3D structures of ligand-protein complexes to create a database of FRAgments in Structural Environments (FRASE). The FRASE database can be screened to identify structural environments similar to those in the target protein and seed the target structure with relevant ligand fragments. A neural network model is used to retain fragments with the highest likelihood of being native binders. The seeded fragments then inform ultra-large-scale virtual screening of commercially available compounds. We apply FRASE-bot to identify ligands for Calcium and Integrin Binding protein 1 (CIB1), a promising drug target implicated in triple negative breast cancer. FRASE-based virtual screening identifies a small-molecule CIB1 ligand (with binding confirmed in a TR-FRET assay) showing specific cell-killing activity in CIB1-dependent cancer cells, but not in CIB1-depletion-insensitive cells.
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Affiliation(s)
- Yi An
- Center for Integrative Chemical Biology and Drug Discovery, UNC Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, NC, 27513, USA
| | - Jiwoong Lim
- Center for Integrative Chemical Biology and Drug Discovery, UNC Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, NC, 27513, USA
| | - Marta Glavatskikh
- Center for Integrative Chemical Biology and Drug Discovery, UNC Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, NC, 27513, USA
| | - Xiaowen Wang
- Center for Integrative Chemical Biology and Drug Discovery, UNC Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, NC, 27513, USA
- Chemistry department, University of Missouri, Columbia, Columbia, MO, 65211, USA
| | - Jacqueline Norris-Drouin
- Center for Integrative Chemical Biology and Drug Discovery, UNC Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, NC, 27513, USA
| | - P Brian Hardy
- Center for Integrative Chemical Biology and Drug Discovery, UNC Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, NC, 27513, USA
| | - Tina M Leisner
- Center for Integrative Chemical Biology and Drug Discovery, UNC Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, NC, 27513, USA
| | - Kenneth H Pearce
- Center for Integrative Chemical Biology and Drug Discovery, UNC Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, NC, 27513, USA.
| | - Dmitri Kireev
- Center for Integrative Chemical Biology and Drug Discovery, UNC Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, NC, 27513, USA.
- Chemistry department, University of Missouri, Columbia, Columbia, MO, 65211, USA.
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2
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Fitzgerald P, Dixit A, Zhang C, Mobley DL, Paegel BM. Building Block-Centric Approach to DNA-Encoded Library Design. J Chem Inf Model 2024; 64:4661-4672. [PMID: 38860710 PMCID: PMC11200258 DOI: 10.1021/acs.jcim.4c00232] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2024] [Revised: 06/02/2024] [Accepted: 06/03/2024] [Indexed: 06/12/2024]
Abstract
DNA-encoded library technology grants access to nearly infinite opportunities to explore the chemical structure space for drug discovery. Successful navigation depends on the design and synthesis of libraries with appropriate physicochemical properties (PCPs) and structural diversity while aligning with practical considerations. To this end, we analyze combinatorial library design constraints including the number of chemistry cycles, bond construction strategies, and building block (BB) class selection in pursuit of ideal library designs. We compare two-cycle library designs (amino acid + carboxylic acid, primary amine + carboxylic acid) in the context of PCPs and chemical space coverage, given different BB selection strategies and constraints. We find that broad availability of amines and acids is essential for enabling the widest exploration of chemical space. Surprisingly, cost is not a driving factor, and virtually, the same chemical space can be explored with "budget" BBs.
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Affiliation(s)
- Patrick
R. Fitzgerald
- Skaggs
Doctoral Program in the Chemical and Biological Sciences, Scripps Research, La Jolla, California 92037, United States
| | - Anjali Dixit
- Department
of Pharmaceutical Sciences, University of
California, Irvine, California 92697, United States
| | - Chris Zhang
- Department
of Chemistry, University of California, Irvine, California 92697, United States
| | - David L. Mobley
- Department
of Pharmaceutical Sciences, University of
California, Irvine, California 92697, United States
- Department
of Chemistry, University of California, Irvine, California 92697, United States
| | - Brian M. Paegel
- Department
of Pharmaceutical Sciences, University of
California, Irvine, California 92697, United States
- Department
of Chemistry, University of California, Irvine, California 92697, United States
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3
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Liang J, Lambrecht MJ, Arenzana TL, Aubert-Nicol S, Bao L, Broccatelli F, Cai J, Eidenschenk C, Everett C, Garner T, Gruber F, Haghshenas P, Huestis MP, Hsu PL, Kou P, Jakalian A, Larouche-Gauthier R, Leclerc JP, Leung DH, Martin A, Murray J, Prangley M, Rutz S, Kakiuchi-Kiyota S, Satz AL, Skelton NJ, Steffek M, Stoffler D, Sudhamsu J, Tan S, Wang J, Wang S, Wang Q, Wendorff TJ, Wichert M, Yadav A, Yu C, Wang X. Optimization of a Novel DEL Hit That Binds in the Cbl-b SH2 Domain and Blocks Substrate Binding. ACS Med Chem Lett 2024; 15:864-872. [PMID: 38894924 PMCID: PMC11181488 DOI: 10.1021/acsmedchemlett.4c00068] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2024] [Revised: 05/11/2024] [Accepted: 05/14/2024] [Indexed: 06/21/2024] Open
Abstract
We were attracted to the therapeutic potential of inhibiting Casitas B-lineage lymphoma proto-oncogene-b (Cbl-b), a RING E3 ligase that plays a critical role in regulating the activation of T cells. However, given that only protein-protein interactions were involved, it was unclear whether inhibition by a small molecule would be a viable approach. After screening an ∼6 billion member DNA-encoded library (DEL) using activated Cbl-b, we identified compound 1 as a hit for which the cis-isomer (2) was confirmed by biochemical and surface plasmon resonance (SPR) assays. Our hit optimization effort was greatly accelerated when we obtained a cocrystal structure of 2 with Cbl-b, which demonstrated induced binding at the substrate binding site, namely, the Src homology-2 (SH2) domain. This was quite noteworthy given that there are few reports of small molecule inhibitors that bind to SH2 domains and block protein-protein interactions. Structure- and property-guided optimization led to compound 27, which demonstrated measurable cell activity, albeit only at high concentrations.
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Affiliation(s)
- Jun Liang
- Genentech,
Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Michael J. Lambrecht
- Genentech,
Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Teresita L. Arenzana
- Genentech,
Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | | | - Linda Bao
- Genentech,
Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Fabio Broccatelli
- Genentech,
Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Jianping Cai
- Roche
Pharma Research and Early Development (pRED), Roche Innovation Center
Basel, F. Hoffmann-La Roche Ltd., Grenzacherstrasse 124, 4070 Basel, Switzerland
| | - Celine Eidenschenk
- Genentech,
Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Christine Everett
- Genentech,
Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Thomas Garner
- Genentech,
Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Felix Gruber
- Roche
Pharma Research and Early Development (pRED), Roche Innovation Center
Basel, F. Hoffmann-La Roche Ltd., Grenzacherstrasse 124, 4070 Basel, Switzerland
| | - Pouyan Haghshenas
- Paraza
Pharma, 2525 Avenue Marie-Curie, Montreal, Quebec H4S 2E1, Canada
| | - Malcolm P. Huestis
- Genentech,
Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Peter L. Hsu
- Genentech,
Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Ponien Kou
- Genentech,
Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Araz Jakalian
- Paraza
Pharma, 2525 Avenue Marie-Curie, Montreal, Quebec H4S 2E1, Canada
| | | | | | - Dennis H. Leung
- Genentech,
Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Aaron Martin
- Genentech,
Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Jeremy Murray
- Genentech,
Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Madeleine Prangley
- Genentech,
Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Sascha Rutz
- Genentech,
Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | | | - Alexander Lee Satz
- Roche
Pharma Research and Early Development (pRED), Roche Innovation Center
Basel, F. Hoffmann-La Roche Ltd., Grenzacherstrasse 124, 4070 Basel, Switzerland
| | - Nicholas J. Skelton
- Genentech,
Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Micah Steffek
- Genentech,
Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Daniel Stoffler
- Roche
Pharma Research and Early Development (pRED), Roche Innovation Center
Basel, F. Hoffmann-La Roche Ltd., Grenzacherstrasse 124, 4070 Basel, Switzerland
| | - Jawahar Sudhamsu
- Genentech,
Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Sophia Tan
- Genentech,
Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Jian Wang
- WuXi
AppTec Co., Ltd. 288
Fute Zhong Road, Waigaoqiao Free Trade Zone, Shanghai, 200131, P. R. China
| | - Shouliang Wang
- WuXi
AppTec Co., Ltd. 288
Fute Zhong Road, Waigaoqiao Free Trade Zone, Shanghai, 200131, P. R. China
| | - Qiuyue Wang
- WuXi
AppTec Co., Ltd. 288
Fute Zhong Road, Waigaoqiao Free Trade Zone, Shanghai, 200131, P. R. China
| | - Timothy J. Wendorff
- Genentech,
Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Moreno Wichert
- Roche
Pharma Research and Early Development (pRED), Roche Innovation Center
Basel, F. Hoffmann-La Roche Ltd., Grenzacherstrasse 124, 4070 Basel, Switzerland
| | - Arun Yadav
- Paraza
Pharma, 2525 Avenue Marie-Curie, Montreal, Quebec H4S 2E1, Canada
| | - Christine Yu
- Genentech,
Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Xiaojing Wang
- Genentech,
Inc., 1 DNA Way, South San Francisco, California 94080, United States
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4
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Ma P, Zhang S, Huang Q, Gu Y, Zhou Z, Hou W, Yi W, Xu H. Evolution of chemistry and selection technology for DNA-encoded library. Acta Pharm Sin B 2024; 14:492-516. [PMID: 38322331 PMCID: PMC10840438 DOI: 10.1016/j.apsb.2023.10.001] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2023] [Revised: 09/11/2023] [Accepted: 09/21/2023] [Indexed: 02/08/2024] Open
Abstract
DNA-encoded chemical library (DEL) links the power of amplifiable genetics and the non-self-replicating chemical phenotypes, generating a diverse chemical world. In analogy with the biological world, the DEL world can evolve by using a chemical central dogma, wherein DNA replicates using the PCR reactions to amplify the genetic codes, DNA sequencing transcripts the genetic information, and DNA-compatible synthesis translates into chemical phenotypes. Importantly, DNA-compatible synthesis is the key to expanding the DEL chemical space. Besides, the evolution-driven selection system pushes the chemicals to evolve under the selective pressure, i.e., desired selection strategies. In this perspective, we summarized recent advances in expanding DEL synthetic toolbox and panning strategies, which will shed light on the drug discovery harnessing in vitro evolution of chemicals via DEL.
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Affiliation(s)
- Peixiang Ma
- Shanghai Key Laboratory of Orthopedic Implants, Department of Orthopedics, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University, School of Medicine, Shanghai 200025, China
| | - Shuning Zhang
- Shanghai Key Laboratory of Orthopedic Implants, Department of Orthopedics, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University, School of Medicine, Shanghai 200025, China
- Shanghai Institute for Advanced Immunochemical Studies, ShanghaiTech University, Shanghai 201210, China
| | - Qianping Huang
- Shanghai Institute for Advanced Immunochemical Studies, ShanghaiTech University, Shanghai 201210, China
| | - Yuang Gu
- Shanghai Institute for Advanced Immunochemical Studies, ShanghaiTech University, Shanghai 201210, China
| | - Zhi Zhou
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Molecular Target & Clinical Pharmacology, The NMPA and State Key Laboratory of Respiratory Disease, Guangzhou Medical University, Guangzhou 511436, China
| | - Wei Hou
- College of Pharmaceutical Science and Institute of Drug Development & Chemical Biology, Zhejiang University of Technology, Hangzhou 310014, China
| | - Wei Yi
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Molecular Target & Clinical Pharmacology, The NMPA and State Key Laboratory of Respiratory Disease, Guangzhou Medical University, Guangzhou 511436, China
| | - Hongtao Xu
- Shanghai Institute for Advanced Immunochemical Studies, ShanghaiTech University, Shanghai 201210, China
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5
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Park S, Fan J, Chamakuri S, Palaniappan M, Sharma K, Qin X, Wang J, Tan Z, Judge A, Hu L, Sankaran B, Li F, Prasad BVV, Matzuk MM, Palzkill T. Exploiting the Carboxylate-Binding Pocket of β-Lactamase Enzymes Using a Focused DNA-Encoded Chemical Library. J Med Chem 2024; 67:620-642. [PMID: 38117688 DOI: 10.1021/acs.jmedchem.3c01834] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2023]
Abstract
β-Lactamase enzymes hydrolyze and thereby provide bacterial resistance to the important β-lactam class of antibiotics. The OXA-48 and NDM-1 β-lactamases cause resistance to the last-resort β-lactams, carbapenems, leading to a serious public health threat. Here, we utilized DNA-encoded chemical library (DECL) technology to discover novel β-lactamase inhibitors. We exploited the β-lactamase enzyme-substrate binding interactions and created a DECL targeting the carboxylate-binding pocket present in all β-lactamases. A library of 106 compounds, each containing a carboxylic acid or a tetrazole as an enzyme recognition element, was designed, constructed, and used to identify OXA-48 and NDM-1 inhibitors with micromolar to nanomolar potency. Further optimization led to NDM-1 inhibitors with increased potencies and biological activities. This work demonstrates that the carboxylate-binding pocket-targeting DECL, designed based on substrate binding information, aids in inhibitor identification and led to the discovery of novel non-β-lactam pharmacophores for the development of β-lactamase inhibitors for enzymes of different structural and mechanistic classes.
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Affiliation(s)
- Suhyeorn Park
- Verna and Marrs McLean Department of Biochemistry and Molecular Pharmacology, Baylor College of Medicine, Houston, Texas 77030, United States
| | - Jiayi Fan
- Verna and Marrs McLean Department of Biochemistry and Molecular Pharmacology, Baylor College of Medicine, Houston, Texas 77030, United States
| | - Srinivas Chamakuri
- Center for Drug Discovery, Department of Pathology & Immunology, Baylor College of Medicine, Houston, Texas 77030, United States
| | - Murugesan Palaniappan
- Center for Drug Discovery, Department of Pathology & Immunology, Baylor College of Medicine, Houston, Texas 77030, United States
| | - Kiran Sharma
- Center for Drug Discovery, Department of Pathology & Immunology, Baylor College of Medicine, Houston, Texas 77030, United States
| | - Xuan Qin
- Center for Drug Discovery, Department of Pathology & Immunology, Baylor College of Medicine, Houston, Texas 77030, United States
| | - Jian Wang
- Center for Drug Discovery, Department of Pathology & Immunology, Baylor College of Medicine, Houston, Texas 77030, United States
| | - Zhi Tan
- Verna and Marrs McLean Department of Biochemistry and Molecular Pharmacology, Baylor College of Medicine, Houston, Texas 77030, United States
- Center for Drug Discovery, Department of Pathology & Immunology, Baylor College of Medicine, Houston, Texas 77030, United States
| | - Allison Judge
- Verna and Marrs McLean Department of Biochemistry and Molecular Pharmacology, Baylor College of Medicine, Houston, Texas 77030, United States
| | - Liya Hu
- Verna and Marrs McLean Department of Biochemistry and Molecular Pharmacology, Baylor College of Medicine, Houston, Texas 77030, United States
| | - Banumathi Sankaran
- Berkeley Center for Structural Biology, Advanced Light Source, Lawrence Berkeley National Lab, Berkeley, California 94720, United States
| | - Feng Li
- Center for Drug Discovery, Department of Pathology & Immunology, Baylor College of Medicine, Houston, Texas 77030, United States
| | - B V Venkataram Prasad
- Verna and Marrs McLean Department of Biochemistry and Molecular Pharmacology, Baylor College of Medicine, Houston, Texas 77030, United States
| | - Martin M Matzuk
- Verna and Marrs McLean Department of Biochemistry and Molecular Pharmacology, Baylor College of Medicine, Houston, Texas 77030, United States
- Center for Drug Discovery, Department of Pathology & Immunology, Baylor College of Medicine, Houston, Texas 77030, United States
| | - Timothy Palzkill
- Verna and Marrs McLean Department of Biochemistry and Molecular Pharmacology, Baylor College of Medicine, Houston, Texas 77030, United States
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6
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Sunkari YK, Nguyen TL, Siripuram VK, Flajolet M. Impact of organic chemistry conditions on DNA durability in the context of DNA-encoded library technology. iScience 2023; 26:107573. [PMID: 37664608 PMCID: PMC10470182 DOI: 10.1016/j.isci.2023.107573] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2022] [Revised: 07/15/2023] [Accepted: 08/05/2023] [Indexed: 09/05/2023] Open
Abstract
High-power screening (HPS) technologies, such as DNA-encoded library (DEL) technology, could exponentially increase the dimensions of the chemical space accessible for drug discovery. The intrinsic fragile nature of DNA is associated with cumbersome limitations and DNA durability (e.g., depurination, loss of phosphate groups, adduct formation) is compromised in numerous organic chemistry conditions that require empirical testing. An atlas of reaction conditions (temperature, pH, solvent/buffer, ligands, oxidizing reagents, catalysts, scavengers in function of time) that have been systematically tested in multiple combinations, indicates precisely limits useful for DEL construction. More importantly, this approach could be used broadly to effectively evaluate DNA-compatibility of any novel on-DNA chemical reaction, and it is compatible with different molecular methodologies. This atlas and the general approach presented, by allowing novel reaction conditions to be performed in presence of DNA, should greatly help in expanding the DEL chemical space as well as any field involving DNA durability.
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Affiliation(s)
- Yashoda Krishna Sunkari
- Laboratory of Molecular and Cellular Neuroscience, The Rockefeller University, 1230 York Avenue, New York, NY 10065, USA
| | - Thu-Lan Nguyen
- Laboratory of Molecular and Cellular Neuroscience, The Rockefeller University, 1230 York Avenue, New York, NY 10065, USA
| | - Vijay Kumar Siripuram
- Laboratory of Molecular and Cellular Neuroscience, The Rockefeller University, 1230 York Avenue, New York, NY 10065, USA
| | - Marc Flajolet
- Laboratory of Molecular and Cellular Neuroscience, The Rockefeller University, 1230 York Avenue, New York, NY 10065, USA
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7
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Peterson AA, Liu DR. Small-molecule discovery through DNA-encoded libraries. Nat Rev Drug Discov 2023; 22:699-722. [PMID: 37328653 PMCID: PMC10924799 DOI: 10.1038/s41573-023-00713-6] [Citation(s) in RCA: 23] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/04/2023] [Indexed: 06/18/2023]
Abstract
The development of bioactive small molecules as probes or drug candidates requires discovery platforms that enable access to chemical diversity and can quickly reveal new ligands for a target of interest. Within the past 15 years, DNA-encoded library (DEL) technology has matured into a widely used platform for small-molecule discovery, yielding a wide variety of bioactive ligands for many therapeutically relevant targets. DELs offer many advantages compared with traditional screening methods, including efficiency of screening, easily multiplexed targets and library selections, minimized resources needed to evaluate an entire DEL and large library sizes. This Review provides accounts of recently described small molecules discovered from DELs, including their initial identification, optimization and validation of biological properties including suitability for clinical applications.
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Affiliation(s)
- Alexander A Peterson
- Merkin Institute of Transformative Technologies in Healthcare, Broad Institute of MIT and Harvard, Cambridge, MA, USA
- Department of Chemistry and Chemical Biology, Harvard University, Cambridge, MA, USA
- Howard Hughes Medical Institute, Harvard University, Cambridge, MA, USA
| | - David R Liu
- Merkin Institute of Transformative Technologies in Healthcare, Broad Institute of MIT and Harvard, Cambridge, MA, USA.
- Department of Chemistry and Chemical Biology, Harvard University, Cambridge, MA, USA.
- Howard Hughes Medical Institute, Harvard University, Cambridge, MA, USA.
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8
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An Y, Glavatskikh M, Lim J, Wang X, Norris-Drouin J, Hardy PB, Leisner TM, Pearce KH, Kireev D. Machine Learning-driven Fragment-based Discovery of CIB1-directed Anti-Tumor Agents by FRASE-bot. RESEARCH SQUARE 2023:rs.3.rs-3197490. [PMID: 37645935 PMCID: PMC10462244 DOI: 10.21203/rs.3.rs-3197490/v1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/31/2023]
Abstract
Chemical probes are an indispensable tool for translating biological discoveries into new therapies, though are increasingly difficult to identify. Novel therapeutic targets are often hard-to-drug proteins, such as messengers or transcription factors. Computational strategies arise as a promising solution to expedite drug discovery for unconventional therapeutic targets. FRASE-bot exploits big data and machine learning (ML) to distill 3D information relevant to the target protein from thousands of protein-ligand complexes to seed it with ligand fragments. The seeded fragments can then inform either (i) de novo design of 3D ligand structures or (ii) ultra-large-scale virtual screening of commercially available compounds. Here, FRASE-bot was applied to identify ligands for Calcium and Integrin Binding protein 1 (CIB1), a promising but ligand-orphan drug target implicated in triple negative breast cancer. The signaling function of CIB1 relies on protein-protein interactions and its structure does not feature any natural ligand-binding pocket. FRASE-based virtual screening identified the first small-molecule CIB1 ligand (with binding confirmed in a TR-FRET assay) showing specific cell-killing activity in CIB1-dependent cancer cells, but not in CIB1-depleted cells.
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Affiliation(s)
- Yi An
- Center for Integrative Chemical Biology and Drug Discovery, UNC Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, NC 27513
| | - Marta Glavatskikh
- Center for Integrative Chemical Biology and Drug Discovery, UNC Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, NC 27513
| | - Jiwoong Lim
- Center for Integrative Chemical Biology and Drug Discovery, UNC Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, NC 27513
| | - Xiaowen Wang
- Center for Integrative Chemical Biology and Drug Discovery, UNC Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, NC 27513
- Chemistry department, University of Missouri, Columbia, Columbia, MO, 65211
| | - Jacqueline Norris-Drouin
- Center for Integrative Chemical Biology and Drug Discovery, UNC Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, NC 27513
| | - P. Brian Hardy
- Center for Integrative Chemical Biology and Drug Discovery, UNC Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, NC 27513
| | - Tina M. Leisner
- Center for Integrative Chemical Biology and Drug Discovery, UNC Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, NC 27513
| | - Kenneth H. Pearce
- Center for Integrative Chemical Biology and Drug Discovery, UNC Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, NC 27513
| | - Dmitri Kireev
- Center for Integrative Chemical Biology and Drug Discovery, UNC Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, NC 27513
- Chemistry department, University of Missouri, Columbia, Columbia, MO, 65211
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9
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Sun Z, Zhang J, Zhang H, Cao H, Xiao L, Yang K, Hu YJ. DNA Compatible Oxidization and Amidation of Terminal Alkynes. Bioconjug Chem 2022; 33:1585-1594. [PMID: 36001094 DOI: 10.1021/acs.bioconjchem.2c00340] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Through a modified Kinugasa reaction, a novel method of amidation on terminal oligo alkyne conjugates by copper-promoted oxidation with nitrones has been developed. Unprotected bifunctional carboxylic acid-amine reagents can be transformed directly to the respective amide products under these edited Kinugasa reaction conditions. 3-Cycle DNA-encoded libraries (DELs) can be built in three steps of chemical conversion.
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Affiliation(s)
- Zhaomei Sun
- Pharmaron (Ningbo) Technology Development Co., Ltd., No. 800 Bin-Hai 4th Road, Hangzhou Bay New Zone, Ningbo, 315336, China
| | - Jie Zhang
- Pharmaron (Ningbo) Technology Development Co., Ltd., No. 800 Bin-Hai 4th Road, Hangzhou Bay New Zone, Ningbo, 315336, China
| | - Huanqing Zhang
- Pharmaron (Ningbo) Technology Development Co., Ltd., No. 800 Bin-Hai 4th Road, Hangzhou Bay New Zone, Ningbo, 315336, China
| | - Hongli Cao
- Pharmaron (Ningbo) Technology Development Co., Ltd., No. 800 Bin-Hai 4th Road, Hangzhou Bay New Zone, Ningbo, 315336, China
| | - Lingqian Xiao
- Pharmaron (Ningbo) Technology Development Co., Ltd., No. 800 Bin-Hai 4th Road, Hangzhou Bay New Zone, Ningbo, 315336, China
| | - Kexin Yang
- Pharmaron Beijing Co., Ltd., 6 Taihe Road, BDA, Beijing, 100176, China
| | - Yun Jin Hu
- Pharmaron (Ningbo) Technology Development Co., Ltd., No. 800 Bin-Hai 4th Road, Hangzhou Bay New Zone, Ningbo, 315336, China
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10
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Yen-Pon E, Li L, Levitre G, Majhi J, McClain EJ, Voight EA, Crane EA, Molander GA. On-DNA Hydroalkylation to Introduce Diverse Bicyclo[1.1.1]pentanes and Abundant Alkyls via Halogen Atom Transfer. J Am Chem Soc 2022; 144:12184-12191. [PMID: 35759692 PMCID: PMC10412002 DOI: 10.1021/jacs.2c03025] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
DNA-encoded libraries have proven their tremendous value in the identification of new lead compounds for drug discovery. To access libraries in new chemical space, many methods have emerged to transpose traditional mol-scale reactivity to nmol-scale, on-DNA chemistry. However, procedures to access libraries with a greater fraction of C(sp3) content are still limited, and the need to "escape from flatland" more readily on-DNA remains. Herein, we report a Giese addition to install highly functionalized bicyclo[1.1.1]pentanes (BCPs) using tricyclo[1.1.1.01,3]pentane (TCP) as a radical linchpin, as well as other diverse alkyl groups, on-DNA from the corresponding organohalides as non-stabilized radical precursors. Telescoped procedures allow extension of the substrate pool by at least an order of magnitude to ubiquitous alcohols and carboxylic acids, allowing us to "upcycle" these abundant feedstocks to afford non-traditional libraries with different physicochemical properties for the small-molecule products (i.e., non-peptide libraries with acids). This approach is amenable to library production, as a DNA damage assessment revealed good PCR amplifiability and only 6% mutated sequences for a full-length DNA tag.
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Affiliation(s)
- Expédite Yen-Pon
- Roy and Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, 231 South 34th Street, Philadelphia, Pennsylvania 19104-6323, United States
| | - Longbo Li
- Roy and Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, 231 South 34th Street, Philadelphia, Pennsylvania 19104-6323, United States
| | - Guillaume Levitre
- Roy and Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, 231 South 34th Street, Philadelphia, Pennsylvania 19104-6323, United States
| | - Jadab Majhi
- Roy and Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, 231 South 34th Street, Philadelphia, Pennsylvania 19104-6323, United States
| | - Edward J. McClain
- Drug Discovery Science & Technology, Discovery Research & Development, AbbVie, Inc., 1 N. Waukegan Road, North Chicago, Illinois 60064-1802, United States
| | - Eric A. Voight
- Drug Discovery Science & Technology, Discovery Research & Development, AbbVie, Inc., 1 N. Waukegan Road, North Chicago, Illinois 60064-1802, United States
| | - Erika A. Crane
- Drug Discovery Science & Technology, Discovery Research & Development, AbbVie, Inc., 1 N. Waukegan Road, North Chicago, Illinois 60064-1802, United States
| | - Gary A. Molander
- Roy and Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, 231 South 34th Street, Philadelphia, Pennsylvania 19104-6323, United States
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11
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Proj M, Bozovičar K, Hrast M, Frlan R, Gobec S. DNA-encoded library screening on two validated enzymes of the peptidoglycan biosynthetic pathway. Bioorg Med Chem Lett 2022; 73:128915. [DOI: 10.1016/j.bmcl.2022.128915] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Revised: 07/09/2022] [Accepted: 07/28/2022] [Indexed: 11/29/2022]
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12
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Zhong S, Fang X, Wang Y, Zhang G, Li Y, Li Y. DNA-Compatible Diversification of Indole π-Activated Alcohols via a Direct Dehydrative Coupling Strategy. Org Lett 2022; 24:1022-1026. [PMID: 35050627 DOI: 10.1021/acs.orglett.1c04169] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Indole-based diversification is highly desired in the DNA-encoded chemical library construction. Herein, we present a general strategy for on-DNA synthesis of diverse C3-functionalized indole derivatives via indole π-activated alcohol formation followed by direct dehydrative coupling. Highly efficient bond linkages of C-C, C-N, and C-S were achieved to fuse building blocks that are widely commercially available. DNA-encoding compatibility of the method has been further demonstrated to pave an avenue for application in constructing indole-focused three-dimensional libraries.
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Affiliation(s)
- Shuting Zhong
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, Innovative Drug Research Center, School of Pharmaceutical Sciences, Chongqing University, 401331 Chongqing, P. R. China
| | - Xianfu Fang
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, Innovative Drug Research Center, School of Pharmaceutical Sciences, Chongqing University, 401331 Chongqing, P. R. China
| | - Yiting Wang
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, Innovative Drug Research Center, School of Pharmaceutical Sciences, Chongqing University, 401331 Chongqing, P. R. China
| | - Gong Zhang
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, Innovative Drug Research Center, School of Pharmaceutical Sciences, Chongqing University, 401331 Chongqing, P. R. China
- Chemical Biology Research Center, School of Pharmaceutical Sciences, Chongqing University, 401331 Chongqing, P. R. China
| | - Yangfeng Li
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, Innovative Drug Research Center, School of Pharmaceutical Sciences, Chongqing University, 401331 Chongqing, P. R. China
- Chemical Biology Research Center, School of Pharmaceutical Sciences, Chongqing University, 401331 Chongqing, P. R. China
| | - Yizhou Li
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, Innovative Drug Research Center, School of Pharmaceutical Sciences, Chongqing University, 401331 Chongqing, P. R. China
- Chemical Biology Research Center, School of Pharmaceutical Sciences, Chongqing University, 401331 Chongqing, P. R. China
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, College of Bioengineering, Chongqing University, Chongqing 400044, P. R. China
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13
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Plais L, Scheuermann J. Macrocyclic DNA-encoded chemical libraries: a historical perspective. RSC Chem Biol 2022; 3:7-17. [PMID: 35128404 PMCID: PMC8729180 DOI: 10.1039/d1cb00161b] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2021] [Accepted: 10/19/2021] [Indexed: 12/25/2022] Open
Abstract
While macrocyclic peptides are extensively researched for therapeutically relevant protein targets, DNA-encoded chemical libraries (DELs) are developed at a quick pace to discover novel small molecule binders. The combination of both fields has been explored since 2004 and the number of macrocyclic peptide DELs is steadily increasing. Macrocycles with high affinity and potency were identified for diverse classes of proteins, revealing DEL's huge potential. By giving a historical perspective, we would like to review the methods which permitted the rise of macrocyclic peptide DELs, describe the different DELs which were created and discuss the achievements and challenges of this emerging field.
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Affiliation(s)
- Louise Plais
- Department of Chemistry and Applied Biosciences, ETH Zürich (Swiss Federal Institute of Technology) Vladimir-Prelog-Weg 4 CH-8093 Zürich Switzerland
| | - Jörg Scheuermann
- Department of Chemistry and Applied Biosciences, ETH Zürich (Swiss Federal Institute of Technology) Vladimir-Prelog-Weg 4 CH-8093 Zürich Switzerland
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14
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Pikalyova R, Zabolotna Y, Volochnyuk D, Horvath D, Gilles M, Varnek A. Exploration of the chemical space of DNA-encoded libraries. Mol Inform 2022; 41:e2100289. [PMID: 34981643 DOI: 10.1002/minf.202100289] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2021] [Accepted: 01/03/2022] [Indexed: 11/09/2022]
Abstract
DNA-Encoded Library (DEL) technology has emerged as an alternative method for bioactive molecules discovery in medicinal chemistry. It enables the simple synthesis and screening of compound libraries of enormous size. Even though it gains more and more popularity each day, there are almost no reports of chemoinformatics analysis of DEL chemical space. Therefore, in this project, we aimed to generate and analyze the ultra-large chemical space of DEL. Around 2500 DELs were designed using commercially available BBs resulting in 2,5B DEL compounds that were compared to biologically relevant compounds from ChEMBL using Generative Topographic Mapping. This allowed to choose several optimal DELs covering the chemical space of ChEMBL to the highest extent and thus containing the maximum possible percentage of biologically relevant chemotypes. Different combinations of DELs were also analyzed to identify a set of mutually complementary libraries allowing to attain even higher coverage of ChEMBL than it is possible with one single DEL.
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15
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Satz AL, Cui W. Analysis of DNA-Encoded Library Screening Data: Selection of Molecules for Synthesis. Methods Mol Biol 2022; 2541:195-205. [PMID: 36083558 DOI: 10.1007/978-1-0716-2545-3_23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
DNA-encoded library (DEL) screens are used to discover novel chemical matter capable of modulating the activity of pharmaceutically interesting protein targets. DEL selections are accomplished by immobilizing a target protein on a resin and capturing library molecules that bind to the target. The barcodes of the captured library molecules are then amplified and sequenced. This chapter outlines simple methods for visualizing the resulting screening data (using free open-source software), such that enriched molecules can be selected for synthesis and follow-up activity confirmation. Measures of enrichment and the concept of sub-libraries are also illustrated.
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16
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Chamakuri S, Chung MK, Samuel ELG, Tran KA, Chen YC, Nyshadham P, Santini C, Matzuk MM, Young DW. Design and construction of a stereochemically diverse piperazine-based DNA-encoded chemical library. Bioorg Med Chem 2021; 48:116387. [PMID: 34571488 DOI: 10.1016/j.bmc.2021.116387] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2021] [Revised: 08/08/2021] [Accepted: 08/24/2021] [Indexed: 11/25/2022]
Abstract
Here we report the successful construction of a novel, stereochemically diverse DNA-Encoded Chemical Library (DECL) by utilizing 24 enantiomerically pure trifunctional 2, 6- di-substituted piperazines as central cores. We introduce the concept of positional diversity by placing the DNA attachment at either of two possible sites on the piperazine scaffold. Using a wide range of building blocks, a diverse library of 77 million compounds was produced. Cheminformatic analysis demonstrates that this library occupies a wide swath of chemical space, and that the piperazine scaffolds confers different shape diversity compared to the commonly used triazine core.
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Affiliation(s)
- Srinivas Chamakuri
- Center for Drug Discovery, Department of Pathology & Immunology, Baylor College of Medicine, Houston, TX 77030, United States.
| | - Mee-Kyung Chung
- Center for Drug Discovery, Department of Pathology & Immunology, Baylor College of Medicine, Houston, TX 77030, United States
| | - Errol L G Samuel
- Department of Pharmacology and Chemical Biology, Baylor College of Medicine, Houston, TX 77030, United States
| | - Kevin A Tran
- Center for Drug Discovery, Department of Pathology & Immunology, Baylor College of Medicine, Houston, TX 77030, United States
| | - Ying-Chu Chen
- Center for Drug Discovery, Department of Pathology & Immunology, Baylor College of Medicine, Houston, TX 77030, United States
| | - Pranavanand Nyshadham
- Center for Drug Discovery, Department of Pathology & Immunology, Baylor College of Medicine, Houston, TX 77030, United States
| | - Conrad Santini
- Center for Drug Discovery, Department of Pathology & Immunology, Baylor College of Medicine, Houston, TX 77030, United States
| | - Martin M Matzuk
- Center for Drug Discovery, Department of Pathology & Immunology, Baylor College of Medicine, Houston, TX 77030, United States; Department of Pharmacology and Chemical Biology, Baylor College of Medicine, Houston, TX 77030, United States
| | - Damian W Young
- Center for Drug Discovery, Department of Pathology & Immunology, Baylor College of Medicine, Houston, TX 77030, United States; Department of Pharmacology and Chemical Biology, Baylor College of Medicine, Houston, TX 77030, United States; Verna and Marrs McLean Department of Biochemistry and Molecular Biology, Baylor College of Medicine, Houston, TX 77030, United States.
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17
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Candish L, Collins KD, Cook GC, Douglas JJ, Gómez-Suárez A, Jolit A, Keess S. Photocatalysis in the Life Science Industry. Chem Rev 2021; 122:2907-2980. [PMID: 34558888 DOI: 10.1021/acs.chemrev.1c00416] [Citation(s) in RCA: 104] [Impact Index Per Article: 34.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
In the pursuit of new pharmaceuticals and agrochemicals, chemists in the life science industry require access to mild and robust synthetic methodologies to systematically modify chemical structures, explore novel chemical space, and enable efficient synthesis. In this context, photocatalysis has emerged as a powerful technology for the synthesis of complex and often highly functionalized molecules. This Review aims to summarize the published contributions to the field from the life science industry, including research from industrial-academic partnerships. An overview of the synthetic methodologies developed and strategic applications in chemical synthesis, including peptide functionalization, isotope labeling, and both DNA-encoded and traditional library synthesis, is provided, along with a summary of the state-of-the-art in photoreactor technology and the effective upscaling of photocatalytic reactions.
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Affiliation(s)
- Lisa Candish
- Drug Discovery Sciences, Pharmaceuticals, Bayer AG, 42113 Wuppertal, Germany
| | - Karl D Collins
- Bayer Foundation, Public Affairs, Science and Sustainability, Bayer AG, 51368 Leverkusen, Germany
| | - Gemma C Cook
- Discovery High-Throughput Chemistry, Medicinal Science and Technology, GlaxoSmithKline, Stevenage SG1 2NY, U.K
| | - James J Douglas
- Early Chemical Development, Pharmaceutical Sciences, R&D, AstraZeneca, Macclesfield SK10 2NA, U.K
| | - Adrián Gómez-Suárez
- Organic Chemistry, Bergische Universität Wuppertal, 42119 Wuppertal, Germany
| | - Anais Jolit
- Medicinal Chemistry Department, Neuroscience Discovery Research, AbbVie Deutschland GmbH & Co. KG, 67061 Ludwigshafen, Germany
| | - Sebastian Keess
- Medicinal Chemistry Department, Neuroscience Discovery Research, AbbVie Deutschland GmbH & Co. KG, 67061 Ludwigshafen, Germany
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18
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Gironda-Martínez A, Donckele EJ, Samain F, Neri D. DNA-Encoded Chemical Libraries: A Comprehensive Review with Succesful Stories and Future Challenges. ACS Pharmacol Transl Sci 2021; 4:1265-1279. [PMID: 34423264 PMCID: PMC8369695 DOI: 10.1021/acsptsci.1c00118] [Citation(s) in RCA: 121] [Impact Index Per Article: 40.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2021] [Indexed: 12/27/2022]
Abstract
DNA-encoded chemical libraries (DELs) represent a versatile and powerful technology platform for the discovery of small-molecule ligands to protein targets of biological and pharmaceutical interest. DELs are collections of molecules, individually coupled to distinctive DNA tags serving as amplifiable identification barcodes. Thanks to advances in DNA-compatible reactions, selection methodologies, next-generation sequencing, and data analysis, DEL technology allows the construction and screening of libraries of unprecedented size, which has led to the discovery of highly potent ligands, some of which have progressed to clinical trials. In this Review, we present an overview of diverse approaches for the generation and screening of DEL molecular repertoires. Recent success stories are described, detailing how novel ligands were isolated from DEL screening campaigns and were further optimized by medicinal chemistry. The goal of the Review is to capture some of the most recent developments in the field, while also elaborating on future challenges to further improve DEL technology as a therapeutic discovery platform.
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Affiliation(s)
| | | | - Florent Samain
- Philochem
AG, Libernstrasse 3, CH-8112 Otelfingen, Switzerland
| | - Dario Neri
- Department
of Chemistry and Applied Biosciences, Swiss
Federal Institute of Technology, CH-8093 Zürich, Switzerland
- Philogen
S.p.A, 53100 Siena, Italy
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19
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Castan IFSF, Graham JS, Salvini CLA, Stanway-Gordon HA, Waring MJ. On the design of lead-like DNA-encoded chemical libraries. Bioorg Med Chem 2021; 43:116273. [PMID: 34147943 DOI: 10.1016/j.bmc.2021.116273] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2021] [Revised: 05/25/2021] [Accepted: 06/04/2021] [Indexed: 01/11/2023]
Abstract
DNA-encoded libraries (DELs) are becoming an established technology for finding ligands for protein targets. We have abstracted and analysed libraries from the literature to assess the synthesis strategy, selections of reactions and monomers and their propensity to reveal hits. DELs have led to hit compounds across a range of diverse protein classes. The range of reactions and monomers utilised has been relatively limited and the hits are often higher in molecular weight than might be considered ideal. Considerations for future library designs with reference to chemical diversity and lead-like properties are discussed.
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Affiliation(s)
- Isaline F S F Castan
- Cancer Research UK Newcastle Drug Discovery Unit, Chemistry, Bedson Building, Newcastle University, Newcastle upon Tyne NE1 7RU, UK
| | - Jessica S Graham
- Cancer Research UK Newcastle Drug Discovery Unit, Chemistry, Bedson Building, Newcastle University, Newcastle upon Tyne NE1 7RU, UK
| | - Catherine L A Salvini
- Cancer Research UK Newcastle Drug Discovery Unit, Chemistry, Bedson Building, Newcastle University, Newcastle upon Tyne NE1 7RU, UK
| | - Harriet A Stanway-Gordon
- Cancer Research UK Newcastle Drug Discovery Unit, Chemistry, Bedson Building, Newcastle University, Newcastle upon Tyne NE1 7RU, UK
| | - Michael J Waring
- Cancer Research UK Newcastle Drug Discovery Unit, Chemistry, Bedson Building, Newcastle University, Newcastle upon Tyne NE1 7RU, UK.
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20
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Huang Y, Li X. Recent Advances on the Selection Methods of DNA-Encoded Libraries. Chembiochem 2021; 22:2384-2397. [PMID: 33891355 DOI: 10.1002/cbic.202100144] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2021] [Revised: 04/23/2021] [Indexed: 12/15/2022]
Abstract
DNA-encoded libraries (DEL) have come of age and become a major technology platform for ligand discovery in both academia and the pharmaceutical industry. Technological maturation in the past two decades and the recent explosive developments of DEL-compatible chemistries have greatly improved the chemical diversity of DELs and fueled its applications in drug discovery. A relatively less-covered aspect of DELs is the selection method. Typically, DEL selection is considered as a binding assay and the selection is conducted with purified protein targets immobilized on a matrix, and the binders are separated from the non-binding background via physical washes. However, the recent innovations in DEL selection methods have not only expanded the target scope of DELs, but also revealed the potential of the DEL technology as a powerful tool in exploring fundamental biology. In this Review, we first cover the "classic" DEL selection methods with purified proteins on solid phase, and then we discuss the strategies to realize DEL selections in solution phase. Finally, we focus on the emerging approaches for DELs to interrogate complex biological targets.
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Affiliation(s)
- Yiran Huang
- Department of Chemistry and the State Key Laboratory of Synthetic Chemistry, The University of Hong Kong, Pokfulam Road, Hong Kong SAR, China
| | - Xiaoyu Li
- Department of Chemistry and the State Key Laboratory of Synthetic Chemistry, The University of Hong Kong, Pokfulam Road, Hong Kong SAR, China
- Laboratory for Synthetic Chemistry and Chemical Biology Limited, Health@InnoHK, Innovation and Technology Commission, Units 1503-1511, 15/F., Building 17W, Hong Kong Science and Technology Parks, New Territories, Hong Kong SAR, China
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21
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Abstract
Click chemistry, proposed nearly 20 years ago, promised access to novel chemical space by empowering combinatorial library synthesis with a "few good reactions". These click reactions fulfilled key criteria (broad scope, quantitative yield, abundant starting material, mild reaction conditions, and high chemoselectivity), keeping the focus on molecules that would be easy to make, yet structurally diverse. This philosophy bears a striking resemblance to DNA-encoded library (DEL) technology, the now-dominant combinatorial chemistry paradigm. This review highlights the similarities between click and DEL reaction design and deployment in combinatorial library settings, providing a framework for the design of new DEL synthesis technologies to enable next-generation drug discovery.
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Affiliation(s)
- Patrick R Fitzgerald
- Skaggs Doctoral Program in the Chemical and Biological Sciences, The Scripps Research Institute, 130 Scripps Way, Jupiter, Florida 33458, United States
| | - Brian M Paegel
- Departments of Pharmaceutical Sciences, Chemistry, & Biomedical Engineering, University of California, Irvine, 101 Theory Suite 100, Irvine, California 92617, United States
- Department of Chemistry, The Scripps Research Institute, 130 Scripps Way, Jupiter, Florida 33458, United States
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22
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Lenci E, Baldini L, Trabocchi A. Diversity-oriented synthesis as a tool to expand the chemical space of DNA-encoded libraries. Bioorg Med Chem 2021; 41:116218. [PMID: 34030087 DOI: 10.1016/j.bmc.2021.116218] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2021] [Revised: 05/07/2021] [Accepted: 05/11/2021] [Indexed: 12/12/2022]
Abstract
DNA-encoded libraries (DEL) represent a powerful technology for generating compound collections for drug discovery campaigns, that have allowed for the selection of many hit compounds over last three decades. However, the application of split-and-pool combinatorial methodologies, as well as the limitation imposed by DNA-compatible chemistry, has often brought to a limited exploration of the chemical space, with an over-representation of flat aromatic or peptide-like structures, whereas a higher scaffold complexity is generally associated with a more successful biological activity of the library. In this context, the application of Diversity-Oriented Synthesis, capable of creating sp3-rich molecular entities even starting from simple flat building blocks, can represent an efficient strategy to significantly broaden the chemical space explored by DELs. In this review, we present selected examples of DNA-compatible complexity-generating reactions that can be applied for the generation of DNA-encoded DOS libraries, including: (i) multicomponent reactions; (ii) C-H/C-X functionalization; (iii) tandem approaches; (iv) cycloadditions; (v) reactions introducing privileged elements. Also, selected case studies on the generation of DELs with high scaffold diversity are discussed, reporting their application in drug discovery programs.
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Affiliation(s)
- Elena Lenci
- Department of Chemistry "Ugo Schiff", University of Florence, Via della Lastruccia 13, 50019 Sesto Fiorentino, Italy
| | - Lorenzo Baldini
- Department of Chemistry "Ugo Schiff", University of Florence, Via della Lastruccia 13, 50019 Sesto Fiorentino, Italy
| | - Andrea Trabocchi
- Department of Chemistry "Ugo Schiff", University of Florence, Via della Lastruccia 13, 50019 Sesto Fiorentino, Italy; Interdepartmental Center for Preclinical Development of Molecular Imaging (CISPIM), University of Florence, Viale Morgagni 85, 50134 Florence, Italy.
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23
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Ratnayake AS, Flanagan ME, Foley TL, Hultgren SL, Bellenger J, Montgomery JI, Lall MS, Liu B, Ryder T, Kölmel DK, Shavnya A, Feng X, Lefker B, Byrnes LJ, Sahasrabudhe PV, Farley KA, Chen S, Wan J. Toward the assembly and characterization of an encoded library hit confirmation platform: Bead-Assisted Ligand Isolation Mass Spectrometry (BALI-MS). Bioorg Med Chem 2021; 41:116205. [PMID: 34000509 DOI: 10.1016/j.bmc.2021.116205] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Revised: 04/27/2021] [Accepted: 04/28/2021] [Indexed: 12/15/2022]
Abstract
The ability to predict chemical structure from DNA sequence has to date been a necessary cornerstone of DNA-encoded library technology. DNA-encoded libraries (DELs) are typically screened by immobilized affinity selection and enriched library members are identified by counting the number of times an individual compound's sequence is observed in the resultant dataset. Those with high signal reads (DEL hits) are subsequently followed up through off-DNA synthesis of the predicted small molecule structures. However, hits followed-up in this manner often fail to translate to confirmed ligands. To address this low conversion rate of DEL hits to off-DNA ligands, we have developed an approach that eliminates the reliance on chemical structure prediction from DNA sequence. Here we describe our method of combining non-combinatorial resynthesis on-DNA following library procedures as a rapid means to assess the probable molecules attached to the DNA barcode. Furthermore, we apply our Bead-Assisted Ligand Isolation Mass Spectrometry (BALI-MS) technique to identify the true binders found within the mixtures of on-DNA synthesis products. Finally, we describe a Normalized Enrichment (NE) metric that allows for the quantitative assessment of affinity selection in these studies. We exemplify how this combined approach enables the identification of putative hit matter against a clinically relevant therapeutic target bisphosphoglycerate mutase, BPGM.
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Affiliation(s)
- Anokha S Ratnayake
- Pfizer Worldwide Research and Development, Eastern Point Road, Groton, CT 06340, United States.
| | - Mark E Flanagan
- Pfizer Worldwide Research and Development, Eastern Point Road, Groton, CT 06340, United States.
| | - Timothy L Foley
- Pfizer Worldwide Research and Development, Eastern Point Road, Groton, CT 06340, United States.
| | - Scott L Hultgren
- Pfizer Worldwide Research and Development, Eastern Point Road, Groton, CT 06340, United States.
| | - Justin Bellenger
- Pfizer Worldwide Research and Development, Eastern Point Road, Groton, CT 06340, United States.
| | - Justin I Montgomery
- Pfizer Worldwide Research and Development, Eastern Point Road, Groton, CT 06340, United States.
| | - Manjinder S Lall
- Pfizer Worldwide Research and Development, Eastern Point Road, Groton, CT 06340, United States.
| | - Bo Liu
- Pfizer Worldwide Research and Development, Eastern Point Road, Groton, CT 06340, United States.
| | - Tim Ryder
- Pfizer Worldwide Research and Development, Eastern Point Road, Groton, CT 06340, United States.
| | - Dominik K Kölmel
- Pfizer Worldwide Research and Development, Eastern Point Road, Groton, CT 06340, United States.
| | - Andre Shavnya
- Pfizer Worldwide Research and Development, Eastern Point Road, Groton, CT 06340, United States.
| | - Xidong Feng
- Pfizer Worldwide Research and Development, Eastern Point Road, Groton, CT 06340, United States.
| | - Bruce Lefker
- Lefker Biopharma Consulting LLC, Arlington, MA 02474 United States.
| | - Laura J Byrnes
- Pfizer Worldwide Research and Development, Eastern Point Road, Groton, CT 06340, United States.
| | - Parag V Sahasrabudhe
- Pfizer Worldwide Research and Development, Eastern Point Road, Groton, CT 06340, United States.
| | - Kathleen A Farley
- Pfizer Worldwide Research and Development, Eastern Point Road, Groton, CT 06340, United States.
| | - Shi Chen
- HitGen Inc., Shuangliu District, Chengdu, China.
| | - Jinqiao Wan
- HitGen Inc., Shuangliu District, Chengdu, China.
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24
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Satz AL, Kuai L, Peng X. Selections and screenings of DNA-encoded chemical libraries against enzyme and cellular targets. Bioorg Med Chem Lett 2021; 39:127851. [DOI: 10.1016/j.bmcl.2021.127851] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2020] [Revised: 02/02/2021] [Accepted: 02/04/2021] [Indexed: 12/26/2022]
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25
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Reiher CA, Schuman DP, Simmons N, Wolkenberg SE. Trends in Hit-to-Lead Optimization Following DNA-Encoded Library Screens. ACS Med Chem Lett 2021; 12:343-350. [PMID: 33738060 DOI: 10.1021/acsmedchemlett.0c00615] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2020] [Accepted: 01/28/2021] [Indexed: 12/16/2022] Open
Abstract
DNA-encoded library (DEL) screens have emerged as a powerful hit-finding tool for a number of biological targets. In this Innovations article, we review published hit-to-lead optimization studies following DEL screens. Trends in molecular property changes from hit to lead are identified, and specific optimization tactics are exemplified in case studies. Across the studies, physicochemical property and structural changes post-DEL screening are similar to those which occur during hit-to-lead optimization following high throughputscreens (HTS). However, unique aspects of DEL-the combinatorial synthetic methods which enable DEL synthesis and the linker effects at the DNA attachment point-impact the strategies and outcomes of hit-to-lead optimizations.
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Affiliation(s)
- Christopher A. Reiher
- Discovery Chemistry, Janssen Research & Development, LLC, Welsh & McKean Roads, Spring House, Pennsylvania 19477, United States
| | - David P. Schuman
- Discovery Chemistry, Janssen Research & Development, LLC, 3210 Merryfield Row, San Diego, California 92121, United States
| | - Nicholas Simmons
- Discovery Chemistry, Janssen Research & Development, LLC, 3210 Merryfield Row, San Diego, California 92121, United States
| | - Scott E. Wolkenberg
- Discovery Chemistry, Janssen Research & Development, LLC, Welsh & McKean Roads, Spring House, Pennsylvania 19477, United States
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26
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Nissink JWM, Bazzaz S, Blackett C, Clark MA, Collingwood O, Disch JS, Gikunju D, Goldberg K, Guilinger JP, Hardaker E, Hennessy EJ, Jetson R, Keefe AD, McCoull W, McMurray L, Olszewski A, Overman R, Pflug A, Preston M, Rawlins PB, Rivers E, Schimpl M, Smith P, Truman C, Underwood E, Warwicker J, Winter-Holt J, Woodcock S, Zhang Y. Generating Selective Leads for Mer Kinase Inhibitors-Example of a Comprehensive Lead-Generation Strategy. J Med Chem 2021; 64:3165-3184. [PMID: 33683117 DOI: 10.1021/acs.jmedchem.0c01904] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Mer is a member of the TAM (Tyro3, Axl, Mer) kinase family that has been associated with cancer progression, metastasis, and drug resistance. Their essential function in immune homeostasis has prompted an interest in their role as modulators of antitumor immune response in the tumor microenvironment. Here we illustrate the outcomes of an extensive lead-generation campaign for identification of Mer inhibitors, focusing on the results from concurrent, orthogonal high-throughput screening approaches. Data mining, HT (high-throughput), and DECL (DNA-encoded chemical library) screens offered means to evaluate large numbers of compounds. We discuss campaign strategy and screening outcomes, and exemplify series resulting from prioritization of hits that were identified. Concurrent execution of HT and DECL screening successfully yielded a large number of potent, selective, and novel starting points, covering a range of selectivity profiles across the TAM family members and modes of kinase binding, and offered excellent start points for lead development.
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Affiliation(s)
| | - Sana Bazzaz
- X-Chem, Inc., Waltham, Massachusetts 02453, United States
| | - Carolyn Blackett
- Discovery Sciences, R&D, AstraZeneca, Cambridge CB4 0WG, United Kingdom
| | | | | | - Jeremy S Disch
- X-Chem, Inc., Waltham, Massachusetts 02453, United States
| | - Diana Gikunju
- X-Chem, Inc., Waltham, Massachusetts 02453, United States
| | | | | | | | - Edward J Hennessy
- Oncology R&D, AstraZeneca, R&D Boston, 35 Gatehouse Drive, Waltham, Massachusetts 02451, United States
| | - Rachael Jetson
- X-Chem, Inc., Waltham, Massachusetts 02453, United States
| | | | - William McCoull
- Oncology R&D, AstraZeneca, Cambridge CB4 0WG, United Kingdom
| | | | | | - Ross Overman
- Discovery Sciences, R&D, AstraZeneca, Cambridge CB4 0WG, United Kingdom
| | - Alexander Pflug
- Discovery Sciences, R&D, AstraZeneca, Cambridge CB4 0WG, United Kingdom
| | - Marian Preston
- Discovery Sciences, R&D, AstraZeneca, Cambridge CB4 0WG, United Kingdom
| | - Philip B Rawlins
- Discovery Sciences, R&D, AstraZeneca, Cambridge CB4 0WG, United Kingdom
| | - Emma Rivers
- Discovery Sciences, R&D, AstraZeneca, Cambridge CB4 0WG, United Kingdom
| | - Marianne Schimpl
- Discovery Sciences, R&D, AstraZeneca, Cambridge CB4 0WG, United Kingdom
| | - Paul Smith
- Oncology R&D, AstraZeneca, Cambridge CB4 0WG, United Kingdom
| | - Caroline Truman
- Discovery Sciences, R&D, AstraZeneca, Cambridge CB4 0WG, United Kingdom
| | | | - Juli Warwicker
- Discovery Sciences, R&D, AstraZeneca, Cambridge CB4 0WG, United Kingdom
| | - Jon Winter-Holt
- Oncology R&D, AstraZeneca, Cambridge CB4 0WG, United Kingdom
| | - Simon Woodcock
- Discovery Sciences, R&D, AstraZeneca, Cambridge CB4 0WG, United Kingdom
| | - Ying Zhang
- X-Chem, Inc., Waltham, Massachusetts 02453, United States
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27
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Kölmel DK, Zhu H, Flanagan ME, Sakata SK, Harris AR, Wan J, Morgan BA. Employing Photocatalysis for the Design and Preparation of DNA‐Encoded Libraries: A Case Study. CHEM REC 2021; 21:616-630. [DOI: 10.1002/tcr.202000148] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2020] [Revised: 01/18/2021] [Accepted: 01/19/2021] [Indexed: 02/06/2023]
Affiliation(s)
- Dominik K. Kölmel
- Worldwide Research and Development Pfizer Inc Eastern Point Road Groton CT 06340 United States
| | - Hongyao Zhu
- Worldwide Research and Development Pfizer Inc Eastern Point Road Groton CT 06340 United States
| | - Mark E. Flanagan
- Worldwide Research and Development Pfizer Inc Eastern Point Road Groton CT 06340 United States
| | - Sylvie K. Sakata
- Worldwide Research and Development Pfizer Inc 10770 Science Center Drive San Diego CA 92121 United States
| | - Anthony R. Harris
- Worldwide Research and Development Pfizer Inc Eastern Point Road Groton CT 06340 United States
| | - Jinqiao Wan
- HitGen Inc Building 6, No. 8 Huigu first East Road, Tianfu International Bio-Town, Shuangliu District Chengdu City Sichuan Province P. R. China
| | - Barry A. Morgan
- HitGen Inc Building 6, No. 8 Huigu first East Road, Tianfu International Bio-Town, Shuangliu District Chengdu City Sichuan Province P. R. China
- HitGen Pharmaceuticals Inc PO Box 88240 Houston TX 77288 United States
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28
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Conole D, H Hunter J, J Waring M. The maturation of DNA encoded libraries: opportunities for new users. Future Med Chem 2021; 13:173-191. [PMID: 33275046 DOI: 10.4155/fmc-2020-0285] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
DNA-encoded combinatorial libraries (DECLs) represent an exciting new technology for high-throughput screening, significantly increasing its capacity and cost-effectiveness. Historically, DECLs have been the domain of specialized academic groups and industry; however, there has recently been a shift toward more drug discovery academic centers and institutes adopting this technology. Key to this development has been the simplification, characterization and standardization of various DECL subprotocols, such as library design, affinity screening and data analysis of hits. This review examines the feasibility of implementing DECL screening technology as a first-time user, particularly in academia, exploring the some important considerations for this, and outlines some applications of the technology that academia could contribute to the field.
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Affiliation(s)
- Daniel Conole
- Department of Chemistry, Molecular Sciences Research Hub, Imperial College London, White City Campus, 80 Wood Lane, London, W12 0BZ, UK
| | - James H Hunter
- Cancer Research UK Drug Discovery Unit, Newcastle University Centre for Cancer, Chemistry, School of Natural & Environmental Sciences, Bedson Building, Newcastle University, Newcastle upon Tyne, NE1 7RU, UK
| | - Michael J Waring
- Cancer Research UK Drug Discovery Unit, Newcastle University Centre for Cancer, Chemistry, School of Natural & Environmental Sciences, Bedson Building, Newcastle University, Newcastle upon Tyne, NE1 7RU, UK
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29
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Kölmel DK, Ratnayake AS, Flanagan ME. Photoredox cross-electrophile coupling in DNA-encoded chemistry. Biochem Biophys Res Commun 2020; 533:201-208. [DOI: 10.1016/j.bbrc.2020.04.028] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2019] [Accepted: 04/06/2020] [Indexed: 12/22/2022]
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30
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Wen H, Ge R, Qu Y, Sun J, Shi X, Cui W, Yan H, Zhang Q, An Y, Su W, Yang H, Kuai L, Satz AL, Peng X. Synthesis of 1,2-Amino Alcohols by Photoredox-Mediated Decarboxylative Coupling of α-Amino Acids and DNA-Conjugated Carbonyls. Org Lett 2020; 22:9484-9489. [DOI: 10.1021/acs.orglett.0c03461] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Huanan Wen
- WuXi AppTec (Shanghai) Co., Ltd., 288 Fute Zhong Road, Waigaoqiao Free Trade Zone, Shanghai 200131, China
| | - Rui Ge
- WuXi AppTec (Shanghai) Co., Ltd., 288 Fute Zhong Road, Waigaoqiao Free Trade Zone, Shanghai 200131, China
| | - Yi Qu
- WuXi AppTec (Shanghai) Co., Ltd., 288 Fute Zhong Road, Waigaoqiao Free Trade Zone, Shanghai 200131, China
| | - Jialin Sun
- WuXi AppTec (Shanghai) Co., Ltd., 288 Fute Zhong Road, Waigaoqiao Free Trade Zone, Shanghai 200131, China
| | - Xiaodong Shi
- WuXi AppTec (Shanghai) Co., Ltd., 288 Fute Zhong Road, Waigaoqiao Free Trade Zone, Shanghai 200131, China
| | - Weiren Cui
- WuXi AppTec (Shanghai) Co., Ltd., 288 Fute Zhong Road, Waigaoqiao Free Trade Zone, Shanghai 200131, China
| | - Hao Yan
- WuXi AppTec (Shanghai) Co., Ltd., 288 Fute Zhong Road, Waigaoqiao Free Trade Zone, Shanghai 200131, China
| | - Qi Zhang
- WuXi AppTec (Shanghai) Co., Ltd., 288 Fute Zhong Road, Waigaoqiao Free Trade Zone, Shanghai 200131, China
| | - Yulong An
- WuXi AppTec (Shanghai) Co., Ltd., 288 Fute Zhong Road, Waigaoqiao Free Trade Zone, Shanghai 200131, China
| | - Wenji Su
- WuXi AppTec (Shanghai) Co., Ltd., 288 Fute Zhong Road, Waigaoqiao Free Trade Zone, Shanghai 200131, China
| | - Hongfang Yang
- WuXi AppTec (Shanghai) Co., Ltd., 288 Fute Zhong Road, Waigaoqiao Free Trade Zone, Shanghai 200131, China
| | - Letian Kuai
- WuXi AppTec (Shanghai) Co., Ltd., 288 Fute Zhong Road, Waigaoqiao Free Trade Zone, Shanghai 200131, China
| | - Alexander L. Satz
- WuXi AppTec (Shanghai) Co., Ltd., 288 Fute Zhong Road, Waigaoqiao Free Trade Zone, Shanghai 200131, China
| | - Xuanjia Peng
- WuXi AppTec (Shanghai) Co., Ltd., 288 Fute Zhong Road, Waigaoqiao Free Trade Zone, Shanghai 200131, China
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31
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Bush JT, Pogany P, Pickett SD, Barker M, Baxter A, Campos S, Cooper AWJ, Hirst D, Inglis G, Nadin A, Patel VK, Poole D, Pritchard J, Washio Y, White G, Green DVS. A Turing Test for Molecular Generators. J Med Chem 2020; 63:11964-11971. [PMID: 32955254 DOI: 10.1021/acs.jmedchem.0c01148] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Machine learning approaches promise to accelerate and improve success rates in medicinal chemistry programs by more effectively leveraging available data to guide a molecular design. A key step of an automated computational design algorithm is molecule generation, where the machine is required to design high-quality, drug-like molecules within the appropriate chemical space. Many algorithms have been proposed for molecular generation; however, a challenge is how to assess the validity of the resulting molecules. Here, we report three Turing-inspired tests designed to evaluate the performance of molecular generators. Profound differences were observed between the performance of molecule generators in these tests, highlighting the importance of selection of the appropriate design algorithms for specific circumstances. One molecule generator, based on match molecular pairs, performed excellently against all tests and thus provides a valuable component for machine-driven medicinal chemistry design workflows.
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Affiliation(s)
- Jacob T Bush
- GSK Medicines Research Centre, Gunnels Wood Road, Stevenage, Hertfordshire SG1 2NY, U.K
| | - Peter Pogany
- GSK Medicines Research Centre, Gunnels Wood Road, Stevenage, Hertfordshire SG1 2NY, U.K
| | - Stephen D Pickett
- GSK Medicines Research Centre, Gunnels Wood Road, Stevenage, Hertfordshire SG1 2NY, U.K
| | - Mike Barker
- GSK Medicines Research Centre, Gunnels Wood Road, Stevenage, Hertfordshire SG1 2NY, U.K
| | - Andrew Baxter
- GSK Medicines Research Centre, Gunnels Wood Road, Stevenage, Hertfordshire SG1 2NY, U.K
| | - Sebastien Campos
- GSK Medicines Research Centre, Gunnels Wood Road, Stevenage, Hertfordshire SG1 2NY, U.K
| | - Anthony W J Cooper
- GSK Medicines Research Centre, Gunnels Wood Road, Stevenage, Hertfordshire SG1 2NY, U.K
| | - David Hirst
- GSK Medicines Research Centre, Gunnels Wood Road, Stevenage, Hertfordshire SG1 2NY, U.K
| | - Graham Inglis
- GSK Medicines Research Centre, Gunnels Wood Road, Stevenage, Hertfordshire SG1 2NY, U.K
| | - Alan Nadin
- GSK Medicines Research Centre, Gunnels Wood Road, Stevenage, Hertfordshire SG1 2NY, U.K
| | - Vipulkumar K Patel
- GSK Medicines Research Centre, Gunnels Wood Road, Stevenage, Hertfordshire SG1 2NY, U.K
| | - Darren Poole
- GSK Medicines Research Centre, Gunnels Wood Road, Stevenage, Hertfordshire SG1 2NY, U.K
| | - John Pritchard
- GSK Medicines Research Centre, Gunnels Wood Road, Stevenage, Hertfordshire SG1 2NY, U.K
| | - Yoshiaki Washio
- GSK Medicines Research Centre, Gunnels Wood Road, Stevenage, Hertfordshire SG1 2NY, U.K
| | - Gemma White
- GSK Medicines Research Centre, Gunnels Wood Road, Stevenage, Hertfordshire SG1 2NY, U.K
| | - Darren V S Green
- GSK Medicines Research Centre, Gunnels Wood Road, Stevenage, Hertfordshire SG1 2NY, U.K
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32
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Fan Z, Zhao S, Liu T, Shen PX, Cui ZN, Zhuang Z, Shao Q, Chen JS, Ratnayake AS, Flanagan ME, Kölmel DK, Piotrowski DW, Richardson P, Yu JQ. Merging C(sp 3)-H activation with DNA-encoding. Chem Sci 2020; 11:12282-12288. [PMID: 34094436 PMCID: PMC8162953 DOI: 10.1039/d0sc03935g] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
DNA-encoded library (DEL) technology has the potential to dramatically expedite hit identification in drug discovery owing to its ability to perform protein affinity selection with millions or billions of molecules in a few experiments. To expand the molecular diversity of DEL, it is critical to develop different types of DNA-encoded transformations that produce billions of molecules with distinct molecular scaffolds. Sequential functionalization of multiple C–H bonds provides a unique avenue for creating diversity and complexity from simple starting materials. However, the use of water as solvent, the presence of DNA, and the extremely low concentration of DNA-encoded coupling partners (0.001 M) have hampered the development of DNA-encoded C(sp3)–H activation reactions. Herein, we report the realization of palladium-catalyzed C(sp3)–H arylation of aliphatic carboxylic acids, amides and ketones with DNA-encoded aryl iodides in water. Notably, the present method enables the use of alternative sets of monofunctional building blocks, providing a linchpin to facilitate further setup for DELs. Furthermore, the C–H arylation chemistry enabled the on-DNA synthesis of structurally-diverse scaffolds containing enriched C(sp3) character, chiral centers, cyclopropane, cyclobutane, and heterocycles. DNA-compatible C(sp3)–H activation reactions of aliphatic carboxylic acids, amides, and ketones were developed for efficient access to DEL synthesis.![]()
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Affiliation(s)
- Zhoulong Fan
- Department of Chemistry, The Scripps Research Institute 10550 North Torrey Pines Road, La Jolla CA 92037 USA
| | - Shuai Zhao
- Department of Chemistry, The Scripps Research Institute 10550 North Torrey Pines Road, La Jolla CA 92037 USA
| | - Tao Liu
- Department of Chemistry, The Scripps Research Institute 10550 North Torrey Pines Road, La Jolla CA 92037 USA
| | - Peng-Xiang Shen
- Department of Chemistry, The Scripps Research Institute 10550 North Torrey Pines Road, La Jolla CA 92037 USA
| | - Zi-Ning Cui
- Department of Chemistry, The Scripps Research Institute 10550 North Torrey Pines Road, La Jolla CA 92037 USA
| | - Zhe Zhuang
- Department of Chemistry, The Scripps Research Institute 10550 North Torrey Pines Road, La Jolla CA 92037 USA
| | - Qian Shao
- Department of Chemistry, The Scripps Research Institute 10550 North Torrey Pines Road, La Jolla CA 92037 USA
| | - Jason S Chen
- Automated Synthesis Facility, The Scripps Research Institute 10550 North Torrey Pines Road, La Jolla CA 92037 USA
| | - Anokha S Ratnayake
- Pfizer Medicinal Chemistry Eastern Point Road, Groton Connecticut 06340 USA
| | - Mark E Flanagan
- Pfizer Medicinal Chemistry Eastern Point Road, Groton Connecticut 06340 USA
| | - Dominik K Kölmel
- Pfizer Medicinal Chemistry Eastern Point Road, Groton Connecticut 06340 USA
| | - David W Piotrowski
- Pfizer Medicinal Chemistry Eastern Point Road, Groton Connecticut 06340 USA
| | - Paul Richardson
- Pfizer Medicinal Chemistry, 10578 Science Center Drive San Diego CA 09121 USA
| | - Jin-Quan Yu
- Department of Chemistry, The Scripps Research Institute 10550 North Torrey Pines Road, La Jolla CA 92037 USA
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33
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Kómár P, Kalinić M. Denoising DNA Encoded Library Screens with Sparse Learning. ACS COMBINATORIAL SCIENCE 2020; 22:410-421. [PMID: 32531158 DOI: 10.1021/acscombsci.0c00007] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
DNA-encoded libraries (DELs) are large, pooled collections of compounds in which every library member is attached to a stretch of DNA encoding its complete synthetic history. DEL-based hit discovery involves affinity selection of the library against a protein of interest, whereby compounds retained by the target are subsequently identified by next-generation sequencing of the corresponding DNA tags. When analyzing the resulting data, one typically assumes that sequencing output (i.e., read counts) is proportional to the binding affinity of a given compound, thus enabling hit prioritization and elucidation of any underlying structure-activity relationships (SAR). This assumption, though, tends to be severely confounded by a number of factors, including variable reaction yields, presence of incomplete products masquerading as their intended counterparts, and sequencing noise. In practice, these confounders are often ignored, potentially contributing to low hit validation rates, and universally leading to loss of valuable information. To address this issue, we have developed a method for comprehensively denoising DEL selection outputs. Our method, dubbed "deldenoiser", is based on sparse learning and leverages inputs that are commonly available within a DEL generation and screening workflow. Using simulated and publicly available DEL affinity selection data, we show that "deldenoiser" is not only able to recover and rank true binders much more robustly than read count-based approaches but also that it yields scores, which accurately capture the underlying SAR. The proposed method can, thus, be of significant utility in hit prioritization following DEL screens.
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Affiliation(s)
- Péter Kómár
- Totient, Inc., 1 Alewife Center, Cambridge Massachusetts 02140 United States
| | - Marko Kalinić
- Totient, Inc., Sinđelićeva 9, 11000 Belgrade, Serbia
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34
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Buskes MJ, Blanco MJ. Impact of Cross-Coupling Reactions in Drug Discovery and Development. Molecules 2020; 25:E3493. [PMID: 32751973 PMCID: PMC7436090 DOI: 10.3390/molecules25153493] [Citation(s) in RCA: 87] [Impact Index Per Article: 21.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Revised: 07/22/2020] [Accepted: 07/29/2020] [Indexed: 12/21/2022] Open
Abstract
Cross-coupling reactions have played a critical role enabling the rapid expansion of structure-activity relationships (SAR) during the drug discovery phase to identify a clinical candidate and facilitate subsequent drug development processes. The reliability and flexibility of this methodology have attracted great interest in the pharmaceutical industry, becoming one of the most used approaches from Lead Generation to Lead Optimization. In this mini-review, we present an overview of cross-coupling reaction applications to medicinal chemistry efforts, in particular the Suzuki-Miyaura and Buchwald-Hartwig cross-coupling reactions as a remarkable resource for the generation of carbon-carbon and carbon-heteroatom bonds. To further appreciate the impact of this methodology, the authors discuss some recent examples of clinical candidates that utilize key cross-coupling reactions in their large-scale synthetic process. Looking into future opportunities, the authors highlight the versatility of the cross-coupling reactions towards new chemical modalities like DNA-encoded libraries (DELs), new generation of peptides and cyclopeptides, allosteric modulators, and proteolysis targeting chimera (PROTAC) approaches.
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Affiliation(s)
| | - Maria-Jesus Blanco
- Medicinal Chemistry. Sage Therapeutics, Inc. 215 First Street, Cambridge, MA 02142, USA;
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35
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Kung PP, Bingham P, Burke BJ, Chen Q, Cheng X, Deng YL, Dou D, Feng J, Gallego GM, Gehring MR, Grant SK, Greasley S, Harris AR, Maegley KA, Meier J, Meng X, Montano JL, Morgan BA, Naughton BS, Palde PB, Paul TA, Richardson P, Sakata S, Shaginian A, Sonnenburg WK, Subramanyam C, Timofeevski S, Wan J, Yan W, Stewart AE. Characterization of Specific N-α-Acetyltransferase 50 (Naa50) Inhibitors Identified Using a DNA Encoded Library. ACS Med Chem Lett 2020; 11:1175-1184. [PMID: 32550998 DOI: 10.1021/acsmedchemlett.0c00029] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2020] [Accepted: 04/10/2020] [Indexed: 11/29/2022] Open
Abstract
Two novel compounds were identified as Naa50 binders/inhibitors using DNA-encoded technology screening. Biophysical and biochemical data as well as cocrystal structures were obtained for both compounds (3a and 4a) to understand their mechanism of action. These data were also used to rationalize the binding affinity differences observed between the two compounds and a MLGP peptide-containing substrate. Cellular target engagement experiments further confirm the Naa50 binding of 4a and demonstrate its selectivity toward related enzymes (Naa10 and Naa60). Additional analogs of inhibitor 4a were also evaluated to study the binding mode observed in the cocrystal structures.
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Affiliation(s)
- Pei-Pei Kung
- Worldwide Research and Development, Pfizer Inc., 10770 Science Center Drive, San Diego, California 92121, United States
| | - Patrick Bingham
- Worldwide Research and Development, Pfizer Inc., 10770 Science Center Drive, San Diego, California 92121, United States
| | - Benjamin J. Burke
- Worldwide Research and Development, Pfizer Inc., 10770 Science Center Drive, San Diego, California 92121, United States
| | - Qiuxia Chen
- HitGen Inc., Building 6, No.8, Huigu first East Road, Tianfu International Bio-Town, Shuangliu District, Chengdu, Sichuan 610200, P.R. China
| | - Xuemin Cheng
- HitGen Inc., Building 6, No.8, Huigu first East Road, Tianfu International Bio-Town, Shuangliu District, Chengdu, Sichuan 610200, P.R. China
| | - Ya-Li Deng
- Worldwide Research and Development, Pfizer Inc., 10770 Science Center Drive, San Diego, California 92121, United States
| | - Dengfeng Dou
- HitGen Inc., Building 6, No.8, Huigu first East Road, Tianfu International Bio-Town, Shuangliu District, Chengdu, Sichuan 610200, P.R. China
| | - Junli Feng
- Worldwide Research and Development, Pfizer Inc., 10770 Science Center Drive, San Diego, California 92121, United States
| | - Gary M. Gallego
- Worldwide Research and Development, Pfizer Inc., 10770 Science Center Drive, San Diego, California 92121, United States
| | - Michael R. Gehring
- Worldwide Research and Development, Pfizer Inc., 10770 Science Center Drive, San Diego, California 92121, United States
| | - Stephan K. Grant
- Worldwide Research and Development, Pfizer Inc., 10770 Science Center Drive, San Diego, California 92121, United States
| | - Samantha Greasley
- Worldwide Research and Development, Pfizer Inc., 10770 Science Center Drive, San Diego, California 92121, United States
| | - Anthony R. Harris
- Worldwide Research and Development, Pfizer Inc., 10770 Science Center Drive, San Diego, California 92121, United States
| | - Karen A. Maegley
- Worldwide Research and Development, Pfizer Inc., 10770 Science Center Drive, San Diego, California 92121, United States
| | - Jordan Meier
- Chemical Biology Laboratory, National Cancer Institute, Frederick, Maryland 21702, United States
| | - Xiaoyun Meng
- HitGen Inc., Building 6, No.8, Huigu first East Road, Tianfu International Bio-Town, Shuangliu District, Chengdu, Sichuan 610200, P.R. China
| | - Jose L. Montano
- Chemical Biology Laboratory, National Cancer Institute, Frederick, Maryland 21702, United States
| | - Barry A. Morgan
- HitGen Inc., Building 6, No.8, Huigu first East Road, Tianfu International Bio-Town, Shuangliu District, Chengdu, Sichuan 610200, P.R. China
- HitGen Pharmaceuticals Inc., PO Box 88240, Houston, Texas 77288, United States
| | - Brigitte S. Naughton
- Worldwide Research and Development, Pfizer Inc., 10770 Science Center Drive, San Diego, California 92121, United States
| | - Prakash B. Palde
- Worldwide Research and Development, Pfizer Inc., 10770 Science Center Drive, San Diego, California 92121, United States
| | - Thomas A. Paul
- Worldwide Research and Development, Pfizer Inc., 10770 Science Center Drive, San Diego, California 92121, United States
| | - Paul Richardson
- Worldwide Research and Development, Pfizer Inc., 10770 Science Center Drive, San Diego, California 92121, United States
| | - Sylvie Sakata
- Worldwide Research and Development, Pfizer Inc., 10770 Science Center Drive, San Diego, California 92121, United States
| | - Alex Shaginian
- HitGen Inc., Building 6, No.8, Huigu first East Road, Tianfu International Bio-Town, Shuangliu District, Chengdu, Sichuan 610200, P.R. China
| | - William K. Sonnenburg
- HitGen Inc., Building 6, No.8, Huigu first East Road, Tianfu International Bio-Town, Shuangliu District, Chengdu, Sichuan 610200, P.R. China
| | - Chakrapani Subramanyam
- Worldwide Research and Development, Pfizer Inc., 10770 Science Center Drive, San Diego, California 92121, United States
| | - Sergei Timofeevski
- Worldwide Research and Development, Pfizer Inc., 10770 Science Center Drive, San Diego, California 92121, United States
| | - Jinqiao Wan
- HitGen Inc., Building 6, No.8, Huigu first East Road, Tianfu International Bio-Town, Shuangliu District, Chengdu, Sichuan 610200, P.R. China
| | - Wen Yan
- Worldwide Research and Development, Pfizer Inc., 10770 Science Center Drive, San Diego, California 92121, United States
| | - Albert E. Stewart
- Worldwide Research and Development, Pfizer Inc., 10770 Science Center Drive, San Diego, California 92121, United States
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36
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Gerry CJ, Schreiber SL. Recent achievements and current trajectories of diversity-oriented synthesis. Curr Opin Chem Biol 2020; 56:1-9. [DOI: 10.1016/j.cbpa.2019.08.008] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2019] [Revised: 08/21/2019] [Accepted: 08/26/2019] [Indexed: 12/14/2022]
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37
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Liu X, Zhao J, Zhang Y, Ubarretxena-Belandia I, Forth S, Lieberman RL, Wang C. Substrate-Enzyme Interactions in Intramembrane Proteolysis: γ-Secretase as the Prototype. Front Mol Neurosci 2020; 13:65. [PMID: 32508589 PMCID: PMC7248309 DOI: 10.3389/fnmol.2020.00065] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2019] [Accepted: 04/03/2020] [Indexed: 11/15/2022] Open
Abstract
Intramembrane-cleaving proteases (I-CLiPs) catalyze the hydrolysis of peptide bonds within the transmembrane regions of membrane protein substrates, releasing bioactive fragments that play roles in many physiological and pathological processes. Based on their catalytic mechanism and nucleophile, I-CLiPs are classified into metallo, serine, aspartyl, and glutamyl proteases. Presenilin is the most prominent among I-CLiPs, as the catalytic subunit of γ-secretase (GS) complex responsible for cleaving the amyloid precursor protein (APP) and Notch, as well as many other membrane substrates. Recent cryo-electron microscopy (cryo-EM) structures of GS provide new details on how presenilin recognizes and cleaves APP and Notch. First, presenilin transmembrane helix (TM) 2 and 6 are dynamic. Second, upon binding to GS, the substrate TM helix is unwound from the C-terminus, resulting in an intermolecular β-sheet between the substrate and presenilin. The transition of the substrate C-terminus from α-helix to β-sheet is proposed to expose the scissile peptide bond in an extended conformation, leaving it susceptible to protease cleavage. Despite the astounding new insights in recent years, many crucial questions remain unanswered regarding the inner workings of γ-secretase, however. Key unanswered questions include how the enzyme recognizes and recruits substrates, how substrates are translocated from an initial docking site to the active site, how active site aspartates recruit and coordinate catalytic water, and the nature of the mechanisms of processive trimming of the substrate and product release. Answering these questions will have important implications for drug discovery aimed at selectively reducing the amyloid load in Alzheimer's disease (AD) with minimal side effects.
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Affiliation(s)
- Xinyue Liu
- Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, NY, United States
| | - Jing Zhao
- Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, NY, United States
| | - Yingkai Zhang
- Department of Chemistry, New York University, New York, NY, United States
| | - Iban Ubarretxena-Belandia
- Instituto Biofisika (UPV/EHU, CSIC), University of the Basque Country, Leioa, Spain
- Ikerbasque, Basque Foundation for Science, Bilbao, Spain
| | - Scott Forth
- Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, NY, United States
- Department of Biological Sciences, Rensselaer Polytechnic Institute, Troy, NY, United States
| | - Raquel L. Lieberman
- School of Chemistry and Biochemistry, Georgia Institute of Technology, Atlanta, GA, United States
| | - Chunyu Wang
- Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, NY, United States
- Department of Biological Sciences, Rensselaer Polytechnic Institute, Troy, NY, United States
- Department of Chemistry and Chemical Biology, Rensselaer Polytechnic Institute, Troy, NY, United States
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38
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Madsen D, Azevedo C, Micco I, Petersen LK, Hansen NJV. An overview of DNA-encoded libraries: A versatile tool for drug discovery. PROGRESS IN MEDICINAL CHEMISTRY 2020; 59:181-249. [PMID: 32362328 DOI: 10.1016/bs.pmch.2020.03.001] [Citation(s) in RCA: 46] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
DNA-encoded libraries (DELs) are collections of small molecules covalently attached to amplifiable DNA tags carrying unique information about the structure of each library member. A combinatorial approach is used to construct the libraries with iterative DNA encoding steps, facilitating tracking of the synthetic history of the attached compounds by DNA sequencing. Various screening protocols have been developed which allow protein target binders to be selected out of pools containing up to billions of different small molecules. The versatile methodology has allowed identification of numerous biologically active compounds and is now increasingly being adopted as a tool for lead discovery campaigns and identification of chemical probes. A great focus in recent years has been on developing DNA compatible chemistries that expand the structural diversity of the small molecule library members in DELs. This chapter provides an overview of the challenges and accomplishments in DEL technology, reviewing the technological aspects of producing and screening DELs with a perspective on opportunities, limitations, and future directions.
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39
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Westphal MV, Hudson L, Mason JW, Pradeilles JA, Zécri FJ, Briner K, Schreiber SL. Water-Compatible Cycloadditions of Oligonucleotide-Conjugated Strained Allenes for DNA-Encoded Library Synthesis. J Am Chem Soc 2020; 142:7776-7782. [PMID: 32267148 DOI: 10.1021/jacs.9b13186] [Citation(s) in RCA: 60] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
DNA-encoded libraries of small molecules are being explored extensively for the identification of binders in early drug-discovery efforts. Combinatorial syntheses of such libraries require water- and DNA-compatible reactions, and the paucity of these reactions currently limit the chemical features of resulting barcoded products. The present work introduces strain-promoted cycloadditions of cyclic allenes under mild conditions to DNA-encoded library synthesis. Owing to distinct cycloaddition modes of these reactive intermediates with activated olefins, 1,3-dipoles, and dienes, the process generates diverse molecular architectures from a single precursor. The resulting DNA-barcoded compounds exhibit unprecedented ring and topographic features, related to elements found to be powerful in phenotypic screening.
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Affiliation(s)
- Matthias V Westphal
- Chemical Biology and Therapeutics Science Program, Broad Institute, 415 Main Street, Cambridge, Massachusetts 02142, United States.,Novartis Institutes for BioMedical Research, 181 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
| | - Liam Hudson
- Chemical Biology and Therapeutics Science Program, Broad Institute, 415 Main Street, Cambridge, Massachusetts 02142, United States.,Novartis Institutes for BioMedical Research, 181 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
| | - Jeremy W Mason
- Chemical Biology and Therapeutics Science Program, Broad Institute, 415 Main Street, Cambridge, Massachusetts 02142, United States.,Novartis Institutes for BioMedical Research, 181 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
| | - Johan A Pradeilles
- Chemical Biology and Therapeutics Science Program, Broad Institute, 415 Main Street, Cambridge, Massachusetts 02142, United States.,Novartis Institutes for BioMedical Research, 181 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
| | - Frédéric J Zécri
- Novartis Institutes for BioMedical Research, 181 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
| | - Karin Briner
- Novartis Institutes for BioMedical Research, 181 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
| | - Stuart L Schreiber
- Chemical Biology and Therapeutics Science Program, Broad Institute, 415 Main Street, Cambridge, Massachusetts 02142, United States.,Department of Chemistry and Chemical Biology, Harvard University, 12 Oxford Street, Cambridge, Massachusetts 02138, United States
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40
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Wu W, Sun Z, Wang X, Lu X, Dai D. Construction of Thiazole-Fused Dihydropyrans via Formal [4 + 2] Cycloaddition Reaction on DNA. Org Lett 2020; 22:3239-3244. [PMID: 32243186 DOI: 10.1021/acs.orglett.0c01016] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
An efficient and facile formal [4 + 2] cycloaddition reaction was developed to synthesize diverse thiazole-fused dihydropyrans (TFDP) on DNA. Mild reaction conditions, broad substrate scope, and compatibility with subsequent enzymatic ligation demonstrated the utility of this methodology in DNA-encoded library synthesis.
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Affiliation(s)
- Wenting Wu
- Department of Therapeutic Discovery, Amgen Asia R&D Center, Amgen Research, 4560 Jinke Road, Pudong, Shanghai 201210, P. R. China
| | - Zhen Sun
- Department of Therapeutic Discovery, Amgen Asia R&D Center, Amgen Research, 4560 Jinke Road, Pudong, Shanghai 201210, P. R. China
| | - Xuan Wang
- Department of Therapeutic Discovery, Amgen Asia R&D Center, Amgen Research, 4560 Jinke Road, Pudong, Shanghai 201210, P. R. China.,State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Science, 501 Haike Road, Zhang Jiang Hi-Tech Park, Pudong, Shanghai 201203, P. R. China
| | - Xiaojie Lu
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Science, 501 Haike Road, Zhang Jiang Hi-Tech Park, Pudong, Shanghai 201203, P. R. China
| | - Dongcheng Dai
- Department of Therapeutic Discovery, Amgen Asia R&D Center, Amgen Research, 4560 Jinke Road, Pudong, Shanghai 201210, P. R. China
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41
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Kölmel DK, Ratnayake AS, Flanagan ME, Tsai MH, Duan C, Song C. Photocatalytic [2 + 2] Cycloaddition in DNA-Encoded Chemistry. Org Lett 2020; 22:2908-2913. [PMID: 32239950 DOI: 10.1021/acs.orglett.0c00574] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
The on-DNA synthesis of highly substituted cyclobutanes was achieved through a photocatalytic [2 + 2] cycloaddition reaction in aqueous solution. Readily available DNA-tagged styrene derivatives were reacted with structurally diverse cinnamates in the presence of an iridium-based photocatalyst, Ir(ppy)2(dtbbpy)PF6, to forge two new C(sp3)-C(sp3) bonds. This transformation was demonstrated to have excellent functional group tolerance and allowed for the facile installation of a variety of heteroaromatic substituents on a densely functionalized cyclobutane scaffold.
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Affiliation(s)
- Dominik K Kölmel
- Pfizer Worldwide Research and Development, Groton, Connecticut 06340, United States
| | - Anokha S Ratnayake
- Pfizer Worldwide Research and Development, Groton, Connecticut 06340, United States
| | - Mark E Flanagan
- Pfizer Worldwide Research and Development, Groton, Connecticut 06340, United States
| | - Mei-Hsuan Tsai
- HitGen Inc, Building 6, No. 8, Huigu first East Road, Tianfu International Bio-Town, Shuangliu District, Chengdu City, Sichuan Province P. R. China
| | - Cong Duan
- HitGen Inc, Building 6, No. 8, Huigu first East Road, Tianfu International Bio-Town, Shuangliu District, Chengdu City, Sichuan Province P. R. China
| | - Chao Song
- HitGen Inc, Building 6, No. 8, Huigu first East Road, Tianfu International Bio-Town, Shuangliu District, Chengdu City, Sichuan Province P. R. China
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42
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Flood DT, Zhang X, Fu X, Zhao Z, Asai S, Sanchez BB, Sturgell EJ, Vantourout JC, Richardson P, Flanagan ME, Piotrowski DW, Kölmel DK, Wan J, Tsai MH, Chen JS, Baran PS, Dawson PE. RASS-Enabled S/P-C and S-N Bond Formation for DEL Synthesis. Angew Chem Int Ed Engl 2020; 59:7377-7383. [PMID: 32050046 DOI: 10.1002/anie.201915493] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2019] [Revised: 01/05/2020] [Indexed: 01/28/2023]
Abstract
DNA encoded libraries (DEL) have shown promise as a valuable technology for democratizing the hit discovery process. Although DEL provides relatively inexpensive access to libraries of unprecedented size, their production has been hampered by the idiosyncratic needs of the encoding DNA tag relegating DEL compatible chemistry to dilute aqueous environments. Recently reversible adsorption to solid support (RASS) has been demonstrated as a promising method to expand DEL reactivity using standard organic synthesis protocols. Here we demonstrate a suite of on-DNA chemistries to incorporate medicinally relevant and C-S, C-P and N-S linkages into DELs, which are underrepresented in the canonical methods.
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Affiliation(s)
- Dillon T Flood
- Department of Chemistry, Scripps Research, 10550 N. Torrey Pines Road, La Jolla, CA, 92037, USA
| | - Xuejing Zhang
- Department of Chemistry, Scripps Research, 10550 N. Torrey Pines Road, La Jolla, CA, 92037, USA.,School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, 510006, China
| | - Xiang Fu
- Department of Chemistry, Scripps Research, 10550 N. Torrey Pines Road, La Jolla, CA, 92037, USA.,School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, 510006, China
| | - Zhenxiang Zhao
- Department of Chemistry, Scripps Research, 10550 N. Torrey Pines Road, La Jolla, CA, 92037, USA
| | - Shota Asai
- Department of Chemistry and Biological Sciences, Faculty of and Engineering, Iwate University, 4-3-5 Ueda, Morioka, 020-8551, Japan
| | - Brittany B Sanchez
- Automated Synthesis Facility, The Scripps Research Institute, 10550 N. Torrey Pines Road, La Jolla, CA, 92037, USA
| | - Emily J Sturgell
- Automated Synthesis Facility, The Scripps Research Institute, 10550 N. Torrey Pines Road, La Jolla, CA, 92037, USA
| | - Julien C Vantourout
- Department of Chemistry, Scripps Research, 10550 N. Torrey Pines Road, La Jolla, CA, 92037, USA
| | - Paul Richardson
- Pfizer Medicinal Chemistry, 10770 Science Center Drive, San Diego, CA, 92121, USA
| | - Mark E Flanagan
- Pfizer Medicinal Chemistry, Eastern Point Road, Groton, CT, 06340, USA
| | | | - Dominik K Kölmel
- Pfizer Medicinal Chemistry, Eastern Point Road, Groton, CT, 06340, USA
| | - Jinqiao Wan
- HitGen Inc., Building 6, No. 8 Huigu 1st East Road Tianfu International Bio-Town, Shuangliu District, Chengdu, 610200, Sichuan, China
| | - Mei-Hsuan Tsai
- HitGen Inc., Building 6, No. 8 Huigu 1st East Road Tianfu International Bio-Town, Shuangliu District, Chengdu, 610200, Sichuan, China
| | - Jason S Chen
- Automated Synthesis Facility, The Scripps Research Institute, 10550 N. Torrey Pines Road, La Jolla, CA, 92037, USA
| | - Phil S Baran
- Department of Chemistry, Scripps Research, 10550 N. Torrey Pines Road, La Jolla, CA, 92037, USA
| | - Philip E Dawson
- Department of Chemistry, Scripps Research, 10550 N. Torrey Pines Road, La Jolla, CA, 92037, USA
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43
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Flood DT, Zhang X, Fu X, Zhao Z, Asai S, Sanchez BB, Sturgell EJ, Vantourout JC, Richardson P, Flanagan ME, Piotrowski DW, Kölmel DK, Wan J, Tsai M, Chen JS, Baran PS, Dawson PE. RASS‐Enabled S/P−C and S−N Bond Formation for DEL Synthesis. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.201915493] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Dillon T. Flood
- Department of ChemistryScripps Research 10550 N. Torrey Pines Road La Jolla CA 92037 USA
| | - Xuejing Zhang
- Department of ChemistryScripps Research 10550 N. Torrey Pines Road La Jolla CA 92037 USA
- School of Pharmaceutical SciencesSun Yat-sen University Guangzhou 510006 China
| | - Xiang Fu
- Department of ChemistryScripps Research 10550 N. Torrey Pines Road La Jolla CA 92037 USA
- School of Pharmaceutical SciencesSun Yat-sen University Guangzhou 510006 China
| | - Zhenxiang Zhao
- Department of ChemistryScripps Research 10550 N. Torrey Pines Road La Jolla CA 92037 USA
| | - Shota Asai
- Department of Chemistry and Biological SciencesFaculty of and EngineeringIwate University 4-3-5 Ueda Morioka 020-8551 Japan
| | - Brittany B. Sanchez
- Automated Synthesis FacilityThe Scripps Research Institute 10550 N. Torrey Pines Road La Jolla CA 92037 USA
| | - Emily J. Sturgell
- Automated Synthesis FacilityThe Scripps Research Institute 10550 N. Torrey Pines Road La Jolla CA 92037 USA
| | - Julien C. Vantourout
- Department of ChemistryScripps Research 10550 N. Torrey Pines Road La Jolla CA 92037 USA
| | - Paul Richardson
- Pfizer Medicinal Chemistry 10770 Science Center Drive San Diego CA 92121 USA
| | - Mark E. Flanagan
- Pfizer Medicinal Chemistry Eastern Point Road Groton CT 06340 USA
| | | | | | - Jinqiao Wan
- HitGen Inc. Building 6, No. 8 Huigu 1st East Road Tianfu International Bio-Town, Shuangliu District, Chengdu 610200 Sichuan China
| | - Mei‐Hsuan Tsai
- HitGen Inc. Building 6, No. 8 Huigu 1st East Road Tianfu International Bio-Town, Shuangliu District, Chengdu 610200 Sichuan China
| | - Jason S. Chen
- Automated Synthesis FacilityThe Scripps Research Institute 10550 N. Torrey Pines Road La Jolla CA 92037 USA
| | - Phil S. Baran
- Department of ChemistryScripps Research 10550 N. Torrey Pines Road La Jolla CA 92037 USA
| | - Philip E. Dawson
- Department of ChemistryScripps Research 10550 N. Torrey Pines Road La Jolla CA 92037 USA
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44
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Chen YC, Faver JC, Ku AF, Miklossy G, Riehle K, Bohren KM, Ucisik MN, Matzuk MM, Yu Z, Simmons N. C-N Coupling of DNA-Conjugated (Hetero)aryl Bromides and Chlorides for DNA-Encoded Chemical Library Synthesis. Bioconjug Chem 2020; 31:770-780. [PMID: 32019312 PMCID: PMC7086399 DOI: 10.1021/acs.bioconjchem.9b00863] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
![]()
DNA-encoded
chemical library (DECL) screens are a rapid and economical
tool to identify chemical starting points for drug discovery. As a
robust transformation for drug discovery, palladium-catalyzed C–N
coupling is a valuable synthetic method for the construction of DECL
chemical matter; however, currently disclosed methods have only been
demonstrated on DNA-attached (hetero)aromatic iodide and bromide electrophiles.
We developed conditions utilizing an N-heterocyclic
carbene–palladium catalyst that extends this reaction to the
coupling of DNA-conjugated (hetero)aromatic chlorides with (hetero)aromatic
and select aliphatic amine nucleophiles. In addition, we evaluated
steric and electronic effects within this catalyst series, carried
out a large substrate scope study on two representative (hetero)aryl
bromides, and applied this newly developed method within the construction
of a 63 million-membered DECL.
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Affiliation(s)
- Ying-Chu Chen
- Center for Drug Discovery, Department of Pathology and Immunology, Baylor College of Medicine, Houston, Texas 77030, United States
| | - John C Faver
- Center for Drug Discovery, Department of Pathology and Immunology, Baylor College of Medicine, Houston, Texas 77030, United States
| | - Angela F Ku
- Center for Drug Discovery, Department of Pathology and Immunology, Baylor College of Medicine, Houston, Texas 77030, United States
| | - Gabriella Miklossy
- Center for Drug Discovery, Department of Pathology and Immunology, Baylor College of Medicine, Houston, Texas 77030, United States
| | - Kevin Riehle
- Center for Drug Discovery, Department of Pathology and Immunology, Baylor College of Medicine, Houston, Texas 77030, United States
| | - Kurt M Bohren
- Center for Drug Discovery, Department of Pathology and Immunology, Baylor College of Medicine, Houston, Texas 77030, United States
| | - Melek N Ucisik
- Center for Drug Discovery, Department of Pathology and Immunology, Baylor College of Medicine, Houston, Texas 77030, United States
| | - Martin M Matzuk
- Center for Drug Discovery, Department of Pathology and Immunology, Baylor College of Medicine, Houston, Texas 77030, United States
| | - Zhifeng Yu
- Center for Drug Discovery, Department of Pathology and Immunology, Baylor College of Medicine, Houston, Texas 77030, United States
| | - Nicholas Simmons
- Center for Drug Discovery, Department of Pathology and Immunology, Baylor College of Medicine, Houston, Texas 77030, United States
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45
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Abstract
Here, we describe our action plan for hit identification (APHID) that guides the process of hit triage, with elimination of less tractable hits and retention of more tractable hits. We exemplify the process with reference to our high-throughput screening (HTS) campaign against the enzyme, KAT6A, that resulted in successful identification of a tractable hit. We hope that APHID could serve as a useful, concise and digestible guide for those involved in HTS and hit triage, especially those that are relatively new to this exciting and continually evolving technology.
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46
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Zhu H, Flanagan ME, Stanton RV. Designing DNA Encoded Libraries of Diverse Products in a Focused Property Space. J Chem Inf Model 2019; 59:4645-4653. [DOI: 10.1021/acs.jcim.9b00729] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
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47
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Ratnayake AS, Flanagan ME, Foley TL, Smith JD, Johnson JG, Bellenger J, Montgomery JI, Paegel BM. A Solution Phase Platform to Characterize Chemical Reaction Compatibility with DNA-Encoded Chemical Library Synthesis. ACS COMBINATORIAL SCIENCE 2019; 21:650-655. [PMID: 31425646 PMCID: PMC6938256 DOI: 10.1021/acscombsci.9b00113] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
DNA-encoded chemical library (DECL) synthesis must occur in aqueous media under conditions that preserve the integrity of the DNA encoding tag. While the identification of "DNA-compatible" reaction conditions is critical for the development of DECL designs that explore previously inaccessible chemical space, reports measuring such compatibility have been largely restricted to methods that do not faithfully capture the impact of reaction conditions on DNA fidelity in solution phase. Here we report a comprehensive methodology that uses soluble DNA substrates that exactly recapitulate DNA's exposure to the chemically reactive species of DECL synthesis. This approach includes the assessment of chemical fidelity (reaction yield and purity), encoding fidelity (ligation efficiency), and readability (DNA compatibility), revealing the fate of the DNA tag during DECL chemistry from a single platform.
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Affiliation(s)
- Anokha S. Ratnayake
- Pfizer Worldwide Research and Development, Groton, Connecticut 06340, United States
| | - Mark E. Flanagan
- Pfizer Worldwide Research and Development, Groton, Connecticut 06340, United States
| | - Timothy L. Foley
- Pfizer Worldwide Research and Development, Groton, Connecticut 06340, United States
| | - Justin D. Smith
- Pfizer Worldwide Research and Development, Groton, Connecticut 06340, United States
| | - Jillian G. Johnson
- Pfizer Worldwide Research and Development, Groton, Connecticut 06340, United States
| | - Justin Bellenger
- Pfizer Worldwide Research and Development, Groton, Connecticut 06340, United States
| | - Justin I. Montgomery
- Pfizer Worldwide Research and Development, Groton, Connecticut 06340, United States
| | - Brian M. Paegel
- Department of Chemistry, The Scripps Research Institute 130 Scripps Way Jupiter, Florida 33458, United States
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48
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Kölmel DK, Meng J, Tsai MH, Que J, Loach RP, Knauber T, Wan J, Flanagan ME. On-DNA Decarboxylative Arylation: Merging Photoredox with Nickel Catalysis in Water. ACS COMBINATORIAL SCIENCE 2019; 21:588-597. [PMID: 31283168 DOI: 10.1021/acscombsci.9b00076] [Citation(s) in RCA: 61] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
A new catalytic manifold that merges photoredox with nickel catalysis in aqueous solution is presented. Specifically, the combination of a highly active, yet air-stable, nickel precatalyst with a new electron-deficient pyridyl carboxamidine ligand was key to the development of a water-compatible nickel catalysis platform, which is a crucial requirement for the preparation of DNA-encoded libraries (DELs). Together with an iridium-based photocatalyst and a powerful light source, this dual catalysis approach enabled the efficient decarboxylative arylation of α-amino acids with DNA-tagged aryl halides. This C(sp2)-C(sp3) coupling tolerates a wide variety of functional groups on both the amino acid and the aryl halide substrates. Due to the mild and DNA-compatible reaction conditions, the presented transformation holds great potential for the construction of DELs. This was further evidenced by showing that well plate-compatible LED arrays can serve as competent light sources to facilitate parallel synthesis. Lastly, we demonstrate that this procedure can serve as a blueprint toward the adaptation of other established nickel metallaphotoredox transformations to the idiosyncratic requirements of a DEL.
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Affiliation(s)
- Dominik K. Kölmel
- Pfizer Worldwide Research and Development, Groton, Connecticut 06340, United States
| | - Jiang Meng
- HitGen Inc, Building 6, No. 8, Huigu first East Road, Tianfu
International Bio-Town, Shuangliu District, Chengdu City, Sichuan Province, P. R. China
| | - Mei-Hsuan Tsai
- HitGen Inc, Building 6, No. 8, Huigu first East Road, Tianfu
International Bio-Town, Shuangliu District, Chengdu City, Sichuan Province, P. R. China
| | - Jiamin Que
- HitGen Inc, Building 6, No. 8, Huigu first East Road, Tianfu
International Bio-Town, Shuangliu District, Chengdu City, Sichuan Province, P. R. China
| | - Richard P. Loach
- Pfizer Worldwide Research and Development, Groton, Connecticut 06340, United States
| | - Thomas Knauber
- Pfizer Worldwide Research and Development, Groton, Connecticut 06340, United States
| | - Jinqiao Wan
- HitGen Inc, Building 6, No. 8, Huigu first East Road, Tianfu
International Bio-Town, Shuangliu District, Chengdu City, Sichuan Province, P. R. China
| | - Mark E. Flanagan
- Pfizer Worldwide Research and Development, Groton, Connecticut 06340, United States
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49
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Li JY, Miklossy G, Modukuri RK, Bohren KM, Yu Z, Palaniappan M, Faver JC, Riehle K, Matzuk MM, Simmons N. Palladium-Catalyzed Hydroxycarbonylation of (Hetero)aryl Halides for DNA-Encoded Chemical Library Synthesis. Bioconjug Chem 2019; 30:2209-2215. [PMID: 31329429 PMCID: PMC6706801 DOI: 10.1021/acs.bioconjchem.9b00447] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
![]()
A strategy
for DNA-compatible, palladium-catalyzed hydroxycarbonylation
of (hetero)aryl halides on DNA–chemical conjugates has been
developed. This method generally provided the corresponding carboxylic
acids in moderate to very good conversions for (hetero)aryl iodides
and bromides, and in poor to moderate conversions for (hetero)aryl
chlorides. These conditions were further validated by application
within a DNA-encoded chemical library synthesis and subsequent discovery
of enriched features from the library in selection experiments against
two protein targets.
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Affiliation(s)
- Jian-Yuan Li
- Center for Drug Discovery, Department of Pathology and Immunology , Baylor College of Medicine , Houston , Texas 77030 , United States
| | - Gabriella Miklossy
- Center for Drug Discovery, Department of Pathology and Immunology , Baylor College of Medicine , Houston , Texas 77030 , United States
| | - Ram K Modukuri
- Center for Drug Discovery, Department of Pathology and Immunology , Baylor College of Medicine , Houston , Texas 77030 , United States
| | - Kurt M Bohren
- Center for Drug Discovery, Department of Pathology and Immunology , Baylor College of Medicine , Houston , Texas 77030 , United States
| | - Zhifeng Yu
- Center for Drug Discovery, Department of Pathology and Immunology , Baylor College of Medicine , Houston , Texas 77030 , United States
| | - Murugesan Palaniappan
- Center for Drug Discovery, Department of Pathology and Immunology , Baylor College of Medicine , Houston , Texas 77030 , United States
| | - John C Faver
- Center for Drug Discovery, Department of Pathology and Immunology , Baylor College of Medicine , Houston , Texas 77030 , United States
| | - Kevin Riehle
- Center for Drug Discovery, Department of Pathology and Immunology , Baylor College of Medicine , Houston , Texas 77030 , United States
| | - Martin M Matzuk
- Center for Drug Discovery, Department of Pathology and Immunology , Baylor College of Medicine , Houston , Texas 77030 , United States
| | - Nicholas Simmons
- Center for Drug Discovery, Department of Pathology and Immunology , Baylor College of Medicine , Houston , Texas 77030 , United States
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Yuen LH, Dana S, Liu Y, Bloom SI, Thorsell AG, Neri D, Donato AJ, Kireev D, Schüler H, Franzini RM. A Focused DNA-Encoded Chemical Library for the Discovery of Inhibitors of NAD+-Dependent Enzymes. J Am Chem Soc 2019; 141:5169-5181. [DOI: 10.1021/jacs.8b08039] [Citation(s) in RCA: 68] [Impact Index Per Article: 13.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Lik Hang Yuen
- Department of Medicinal Chemistry, University of Utah, 30 S 2000 E, Salt Lake City, Utah 84112, United States
| | - Srikanta Dana
- Department of Medicinal Chemistry, University of Utah, 30 S 2000 E, Salt Lake City, Utah 84112, United States
| | - Yu Liu
- Department of Internal Medicine, University of Utah, 500 Foothill Drive, Salt Lake City, Utah 84148, United States
| | - Samuel I. Bloom
- Department of Internal Medicine, University of Utah, 500 Foothill Drive, Salt Lake City, Utah 84148, United States
| | - Ann-Gerd Thorsell
- Department of Biosciences and Nutrition, Karolinska Institutet, Hälsovägen 7c, 14157 Huddinge, Sweden
| | - Dario Neri
- Department of Pharmaceutical Sciences, ETH Zürich, Vladimir Prelog Weg 3, 8093 Zürich, Switzerland
| | - Anthony J. Donato
- Department of Internal Medicine, University of Utah, 500 Foothill Drive, Salt Lake City, Utah 84148, United States
| | - Dmitri Kireev
- Center for Integrative Chemical Biology and Drug Discovery, UNC Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, North Carolina 27599, United States
| | - Herwig Schüler
- Department of Biosciences and Nutrition, Karolinska Institutet, Hälsovägen 7c, 14157 Huddinge, Sweden
| | - Raphael M. Franzini
- Department of Medicinal Chemistry, University of Utah, 30 S 2000 E, Salt Lake City, Utah 84112, United States
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