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Deciphering the conformational landscape of few selected aromatic noncoded amino acids (NCAAs) for applications in rational design of peptide therapeutics. Amino Acids 2022; 54:1183-1202. [PMID: 35723743 PMCID: PMC9207436 DOI: 10.1007/s00726-022-03175-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Accepted: 05/23/2022] [Indexed: 11/01/2022]
Abstract
Amino acids are the essential building blocks of both synthetic and natural peptides, which are crucial for biological functions and also important as biological probes for mapping the complex protein-protein interactions (PPIs) in both prokaryotic and eukaryotic systems. Mapping the PPIs through the chemical biology approach provides pharmacologically relevant peptides, which can have agonistic or antagonistic effects on the targeted biological systems. It is evidenced that ≥ 60 peptide-based drugs have been approved by the US-FDA so far, and the number will improve further in the foreseeable future, as ≥ 140 peptides are currently in clinical trials. However, natural peptides often require fine-tuning of their pharmacological properties by strategically replacing the αL-amino acids of the peptides with non-coded amino acids (NCAA), for which codons are absent in the genetic code for biosynthesis of proteins, prior to their applications as therapeutics. Considering the diverse repertoire of the NCAAs, the conformational space of many NCAAs is yet to be explored systematically in the context of the rational design of therapeutic peptides. The current study deciphers the conformational landscape of a few such Cα-substituted aromatic NCAAs (Ing: 2-indanyl-L-Glycine; Bpa: 4-benzoyl-L-phenylalanine; Aic: 2-aminoindane-2-carboxylic acid) both in the context of tripeptides and model synthetic peptide sequences, using alanine (Ala) and proline (Pro) as the reference. The combined data obtained from the computational and biophysical studies indicate the general success of this approach, which can be exploited further to rationally design optimized peptide sequences of unusual architecture with potent antimicrobial, antiviral, gluco-regulatory, immunomodulatory, and anti-inflammatory activities.
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2
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zeng L, Xu S, Cui S, Zhang F. Three Component Synthesis of β‑Aminoxy Amides. Org Chem Front 2022. [DOI: 10.1039/d2qo00631f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A multicomponent reaction for the synthesis of β‑aminoxy amides is described. In this reaction, N-hydroxamic acids, yna-mides and aldehydes could assemble efficiently to deliver structurally diverse β‑aminoxy amides under the...
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3
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Katoh T, Suga H. Consecutive Ribosomal Incorporation of α-Aminoxy/α-Hydrazino Acids with l/d-Configurations into Nascent Peptide Chains. J Am Chem Soc 2021; 143:18844-18848. [PMID: 34731572 DOI: 10.1021/jacs.1c09270] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
α-Aminoxy and α-hydrazino acids are β-amino acid analogs with β-carbons replaced by oxygen and nitrogen, respectively. Such heteroatoms dictate the folding of peptides into specific secondary structures called pseudo-γ-turns. Achiral α-aminoxyacetic acid (NOGly) and l-α-hydrazinophenylalanine (l-NNPhe) have been shown to be suitable for single incorporation during ribosomal translation, but whether ribosomes tolerate other types of α-aminoxy/α-hydrazino acids with l/d-configurations is unknown. Moreover, whether multiple or consecutive incorporations are possible remains unclear. We show, for the first time, multiple and consecutive incorporations of α-aminoxy/α-hydrazino acids with l/d-configurations into various model peptides, including macrocyclic peptide scaffolds.
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Affiliation(s)
- Takayuki Katoh
- Department of Chemistry, Graduate School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
| | - Hiroaki Suga
- Department of Chemistry, Graduate School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
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4
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Sinatra L, Kolano L, Icker M, Fritzsche SR, Volke D, Gockel I, Thieme R, Hoffmann R, Hansen FK. Hybrid Peptides Based on α-Aminoxy Acids as Antimicrobial and Anticancer Foldamers. Chempluschem 2021; 86:827-835. [PMID: 33656810 DOI: 10.1002/cplu.202000812] [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: 12/22/2020] [Revised: 02/18/2021] [Indexed: 12/31/2022]
Abstract
α-Aminoxy peptides represent an interesting group of peptidomimetics with high proteolytic stability and the ability to fold into specific, predictable secondary structures. Here, we present a series of hybrid peptides consisting of α-aminoxy acids and α-amino acids with cationic and aromatic, hydrophobic side chains in an alternating manner synthesized using an efficient protocol that combines solution- and solid-phase synthesis. 2D ROESY experiments with a representative hexamer suggested the presence of a 7/8 helical conformation in solution. Biological evaluation revealed a significant impact of the peptide chain length and the N-terminal cap on the antimicrobial and anticancer properties of this series of hybrid peptides. The Fmoc-capped peptide 6e displayed the most potent antimicrobial activity against a panel of Gram-negative and Gram-positive bacterial strains (e. g. against E. Coli: MIC=8 mg/L; S. aureus: MIC=4 mg/L).
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Affiliation(s)
- Laura Sinatra
- Institute for Drug Discovery, Medical Faculty, Leipzig University, Brüderstr. 34, 04103, Leipzig, Germany
| | - Lisa Kolano
- Institute of Bioanalytical Chemistry, Faculty of Chemistry and Mineralogy, Leipzig University, Deutscher Platz 5, 04103, Leipzig, Germany
- Center for Biotechnology and Biomedicine (BBZ), Deutscher Platz 5, 04103, Leipzig, Germany
| | - Maik Icker
- Institute of Organic Chemistry, Leipzig University, Johannisallee 29, 04103, Leipzig, Germany
| | - Stefan R Fritzsche
- Institute for Drug Discovery, Medical Faculty, Leipzig University, Brüderstr. 34, 04103, Leipzig, Germany
| | - Daniela Volke
- Institute of Bioanalytical Chemistry, Faculty of Chemistry and Mineralogy, Leipzig University, Deutscher Platz 5, 04103, Leipzig, Germany
- Center for Biotechnology and Biomedicine (BBZ), Deutscher Platz 5, 04103, Leipzig, Germany
| | - Ines Gockel
- Department of Visceral, Transplant, Thoracic and Vascular Surgery, University Hospital of Leipzig, Liebigstraße 20, 04103, Leipzig, Germany
| | - René Thieme
- Department of Visceral, Transplant, Thoracic and Vascular Surgery, University Hospital of Leipzig, Liebigstraße 20, 04103, Leipzig, Germany
| | - Ralf Hoffmann
- Institute of Bioanalytical Chemistry, Faculty of Chemistry and Mineralogy, Leipzig University, Deutscher Platz 5, 04103, Leipzig, Germany
- Center for Biotechnology and Biomedicine (BBZ), Deutscher Platz 5, 04103, Leipzig, Germany
| | - Finn K Hansen
- Department of Pharmaceutical and Cell Biological Chemistry, Pharmaceutical Institute, University of Bonn, An der Immenburg 4, 53121, Bonn, Germany
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5
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Dalabehera N, Meher S, Bhusana Palai B, Sharma NK. Instability of Amide Bond with Trifluoroacetic Acid (20%): Synthesis, Conformational Analysis, and Mechanistic Insights into Cleavable Amide Bond Comprising β-Troponylhydrazino Acid. ACS OMEGA 2020; 5:26141-26152. [PMID: 33073142 PMCID: PMC7557997 DOI: 10.1021/acsomega.0c03729] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/05/2020] [Accepted: 09/17/2020] [Indexed: 06/11/2023]
Abstract
The instability of an amide bond with dilute trifluoroacetic acid (TFA) is a rare chemical event. The native amide bonds are stable even in the neat TFA, which is one of the reagents that releases the peptides from the solid support in the solid-supported peptide synthesis method. In the repertoire of unnatural peptidomics, α-/β-hydrazino acids and their peptides are explored for the synthesis of N-amino peptide derivatives, and their amide bonds are stable in TFA (∼100%) as natural amide bonds. This report describes the synthesis of a β-hydrazino acid analogue as β-troponylhydrazino acid, containing a nonbenzenoid natural troponyl scaffold. The structural and conformational studies of their hybrid di-/tripeptides with the natural amino acid show that the 2-aminotroponyl residue is involved in hydrogen bonding. Surprisingly, the amide bond of β-troponylhydrazino peptides is cleavable with TFA (∼20%) through the formation of a new heterocyclic molecule N-troponylpyrazolidinone or troponylpyrazolidinone. Tropolone and related compounds are excellent biocompatible chromophores. Hence, β-troponylhydrazino acid could be employed for tuning the peptide structure and considered a promising chromophoric acid-sensitive protecting group of a free amine of amino acids/peptides. It could be applied for the estimation of the free amine group functionality by a UV-vis spectrophotometer.
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Affiliation(s)
- Nihar
Ranjan Dalabehera
- National
Institute of Science Education and Research (NISER)-Bhubaneswar, Jatni Campus, Jatni, Odisha 752050, India
- Homi
Bhabha National Institute (HBNI), HBNI-Mumbai, Mumbai 400 094, India
| | - Sagarika Meher
- National
Institute of Science Education and Research (NISER)-Bhubaneswar, Jatni Campus, Jatni, Odisha 752050, India
- Homi
Bhabha National Institute (HBNI), HBNI-Mumbai, Mumbai 400 094, India
| | - Bibhuti Bhusana Palai
- National
Institute of Science Education and Research (NISER)-Bhubaneswar, Jatni Campus, Jatni, Odisha 752050, India
- Homi
Bhabha National Institute (HBNI), HBNI-Mumbai, Mumbai 400 094, India
| | - Nagendra K. Sharma
- National
Institute of Science Education and Research (NISER)-Bhubaneswar, Jatni Campus, Jatni, Odisha 752050, India
- Homi
Bhabha National Institute (HBNI), HBNI-Mumbai, Mumbai 400 094, India
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6
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Krieger K, Wängler B, Schirrmacher R, Wängler C. Identification of a Suitable Peptidic Molecular Platform for the Development of NPY(Y 1 )R-Specific Imaging Agents. ChemMedChem 2020; 15:1652-1660. [PMID: 32681597 PMCID: PMC7540589 DOI: 10.1002/cmdc.202000430] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2020] [Revised: 07/17/2020] [Indexed: 11/30/2022]
Abstract
NPY(Y1 )R (neuropeptide Y receptor subtype 1) is an important target structure for tumor-specific imaging and therapy as this receptor subtype is overexpressed in very high density and incidence especially in human breast cancer. Targeting this receptor with radiolabeled truncated analogues of the endogenous ligand NPY (neuropeptide Y) has, however, not yet resulted in satisfactory imaging results when using positron emission tomography (PET). This can be attributed to the limited stability of these PET imaging agents caused by their fast proteolytic degradation. Although highly promising NPY analogues were developed, their stability has only been investigated in very few cases. In this systematical work, we comparatively determined the stability of the five most promising truncated analogues of NPY that were developed over the last years, showing the highest receptor affinities and subtype selectivities. The stability of the peptides was assessed in human serum as well as in a human liver microsomal stability assay; these gave complementary results, thus demonstrating the necessity to perform both assays and not just conventional serum stability testing. Of the tested peptides, only [Lys(lauroyl)27 ,Pro30 ,Lys(DOTA)31 ,Bip32 ,Leu34 ]NPY27-36 showed high stability against peptidase degradation; thus this is the best-suited truncated NPY analogue for the development of NPY(Y1 )R-specific imaging agents.
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Affiliation(s)
- Korbinian Krieger
- Biomedical Chemistry Department of Clinical Radiology and Nuclear MedicineMedical Faculty Mannheim of Heidelberg UniversityTheodor-Kutzer-Ufer 1–368167MannheimGermany
| | - Björn Wängler
- Molecular Imaging and Radiochemistry Department of Clinical Radiology and Nuclear MedicineMedical Faculty Mannheim of Heidelberg UniversityTheodor-Kutzer-Ufer 1–368167MannheimGermany
| | - Ralf Schirrmacher
- Division of Oncological Imaging, Department of OncologyUniversity of Alberta11560 University AvenueEdmontonAB T6G 1Z2Canada
| | - Carmen Wängler
- Biomedical Chemistry Department of Clinical Radiology and Nuclear MedicineMedical Faculty Mannheim of Heidelberg UniversityTheodor-Kutzer-Ufer 1–368167MannheimGermany
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7
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Abstract
Nucleic acids and carbohydrates are essential biomolecules involved in numerous biological and pathological processes. Development of multifunctional building blocks based on nucleosides and sugars is in high demand for the generation of novel oligonucleotide mimics and glycoconjugates for biomedical applications. Recently, aminooxyl-functionalized compounds have attracted increasing research interest because of their easy derivatization through oxime ligation or N-oxyamide formation reactions. Various biological applications have been reported for O-amino carbohydrate- and nucleoside-derived compounds. Here, we report our efforts in the design and synthesis of glyco-, glycosyl, nucleoside- and nucleo-aminooxy acid derivatives from readily available sugars and amino acids, and their use for the generation of N-oxyamide-linked oligosaccharides, glycopeptides, glycolipids, oligonucleosides and nucleopeptides as novel glycoconjugates or oligonucleotide mimics. Delicate and key points in the synthesis will be emphasized.
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8
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Meng FY, Hsu YH, Zhang Z, Wu PJ, Chen YT, Chen YA, Chen CL, Chao CM, Liu KM, Chou PT. The Quest of Excited-State Intramolecular Proton Transfer via Eight-Membered Ring π-Conjugated Hydrogen Bonding System. Chem Asian J 2017; 12:3010-3015. [PMID: 28980416 DOI: 10.1002/asia.201701057] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2017] [Revised: 10/02/2017] [Indexed: 11/05/2022]
Abstract
Searching for eight-membered ring π-conjugated hydrogen bonding (8-MR H-bonding) systems with excited-state intramolecular proton transfer (ESIPT) property is seminal and synthetically challenging. In this work, a series of π-conjugated molecules (8-HB-1, 8-HB-L1 and 8-HB-2) potentially possessing 8-MR H-bonding are strategically designed, synthesized and characterized. The configurations of these three potential molecules are checked by their X-ray structures, among which 8-HB-L1 (a structurally locked 8-HB-1 core chromophore) is proved to be an 8-MR H-bonding system, whereas 8-HB-1 and 8-HB-2 are too sterically hindered to form the 8-MR intramolecular H-bond. The ESIPT property of 8-HB-L1 is confirmed by the dual fluorescence consisting of normal and proton-transfer tautomer emissions. The insight into the ESIPT process of 8-HB-L1 is provided by femtosecond fluorescence upconversion measurements together with computational simulation. The results demonstrate for the first time a successful synthetic route to attain the 8-MR H-bonding molecule 8-HB-L1 with ESIPT property.
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Affiliation(s)
- Fan-Yi Meng
- Department of Chemistry, National Taiwan University, Taipei, 10617, Taiwan, R.O.C
| | - Yen-Hao Hsu
- Department of Chemistry, National Taiwan University, Taipei, 10617, Taiwan, R.O.C
| | - Zhiyun Zhang
- Department of Chemistry, National Taiwan University, Taipei, 10617, Taiwan, R.O.C
| | - Pei-Jhen Wu
- Department of Chemistry, National Taiwan University, Taipei, 10617, Taiwan, R.O.C
| | - Yi-Ting Chen
- Department of Chemistry, National Taiwan University, Taipei, 10617, Taiwan, R.O.C
| | - Yi-An Chen
- Department of Chemistry, National Taiwan University, Taipei, 10617, Taiwan, R.O.C
| | - Chi-Lin Chen
- Department of Chemistry, National Taiwan University, Taipei, 10617, Taiwan, R.O.C
| | - Chi-Min Chao
- Department of Medical Applied Chemistry, Department of Medical Education, Chung Shan Medical University, Taichung, 40201, Taiwan, R.O.C
| | - Kuan-Miao Liu
- Department of Medical Applied Chemistry, Department of Medical Education, Chung Shan Medical University, Taichung, 40201, Taiwan, R.O.C
| | - Pi-Tai Chou
- Department of Chemistry, National Taiwan University, Taipei, 10617, Taiwan, R.O.C
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9
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Seoudi RS, Mechler A. Design Principles of Peptide Based Self-Assembled Nanomaterials. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2017; 1030:51-94. [DOI: 10.1007/978-3-319-66095-0_4] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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10
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Zhang DW, Wang H, Li ZT. Polymeric Tubular Aromatic Amide Helices. Macromol Rapid Commun 2017; 38. [DOI: 10.1002/marc.201700179] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2017] [Revised: 04/10/2017] [Indexed: 12/15/2022]
Affiliation(s)
- Dan-Wei Zhang
- Department of Chemistry; Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials; Collaborative Innovation Center of Chemistry for Energy Materials (iChEM); Fudan University; Shanghai 200433 China
| | - Hui Wang
- Department of Chemistry; Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials; Collaborative Innovation Center of Chemistry for Energy Materials (iChEM); Fudan University; Shanghai 200433 China
| | - Zhan-Ting Li
- Department of Chemistry; Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials; Collaborative Innovation Center of Chemistry for Energy Materials (iChEM); Fudan University; Shanghai 200433 China
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11
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Krieger V, Ciglia E, Thoma R, Vasylyeva V, Frieg B, de Sousa Amadeu N, Kurz T, Janiak C, Gohlke H, Hansen FK. α-Aminoxy Peptoids: A Unique Peptoid Backbone with a Preference for cis-Amide Bonds. Chemistry 2017; 23:3699-3707. [PMID: 28090689 DOI: 10.1002/chem.201605100] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2016] [Indexed: 12/13/2022]
Abstract
α-Peptoids, or N-substituted glycine oligomers, are an important class of peptidomimetic foldamers with proteolytic stability. Nevertheless, the presence of cis/trans-amide bond conformers, which contribute to the high flexibility of α-peptoids, is considered as a major drawback. A modified peptoid backbone with an improved control of the amide bond geometry could therefore help to overcome this limitation. Herein, we have performed the first thorough analysis of the folding propensities of α-aminoxy peptoids (or N-substituted 2-aminoxyacetic acid oligomers). To this end, the amide bond geometry and the conformational properties of a series of model α-aminoxy peptoids were investigated by using 1D and 2D NMR experiments, X-ray crystallography, natural bond orbital (NBO) analysis, circular dichroism (CD) spectroscopy, and molecular dynamics (MD) simulations revealing a unique preference for cis-amide bonds even in the absence of cis-directing side chains. The conformational analysis based on the MD simulations revealed that α-aminoxy peptoids can adopt helical conformations that can mimic the spatial arrangement of peptide side chains in a canonical α-helix. Given their ease of synthesis and conformational properties, α-aminoxy peptoids represent a new member of the peptoid family capable of controlling the amide isomerism while maintaining the potential for side-chain diversity.
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Affiliation(s)
- Viktoria Krieger
- Institute of Pharmaceutical and Medicinal Chemistry, Heinrich-Heine-Universität Düsseldorf, Universitätsstrasse 1, 40225, Düsseldorf, Germany
| | - Emanuele Ciglia
- Institute of Pharmaceutical and Medicinal Chemistry, Heinrich-Heine-Universität Düsseldorf, Universitätsstrasse 1, 40225, Düsseldorf, Germany
| | - Roland Thoma
- Institute of Inorganic and Structural Chemistry, Heinrich-Heine-Universität Düsseldorf, Universitätsstrasse 1, 40225, Düsseldorf, Germany
| | - Vera Vasylyeva
- Institute of Inorganic and Structural Chemistry, Heinrich-Heine-Universität Düsseldorf, Universitätsstrasse 1, 40225, Düsseldorf, Germany
| | - Benedikt Frieg
- Institute of Pharmaceutical and Medicinal Chemistry, Heinrich-Heine-Universität Düsseldorf, Universitätsstrasse 1, 40225, Düsseldorf, Germany
| | - Nader de Sousa Amadeu
- Institute of Inorganic and Structural Chemistry, Heinrich-Heine-Universität Düsseldorf, Universitätsstrasse 1, 40225, Düsseldorf, Germany
| | - Thomas Kurz
- Institute of Pharmaceutical and Medicinal Chemistry, Heinrich-Heine-Universität Düsseldorf, Universitätsstrasse 1, 40225, Düsseldorf, Germany
| | - Christoph Janiak
- Institute of Inorganic and Structural Chemistry, Heinrich-Heine-Universität Düsseldorf, Universitätsstrasse 1, 40225, Düsseldorf, Germany
| | - Holger Gohlke
- Institute of Pharmaceutical and Medicinal Chemistry, Heinrich-Heine-Universität Düsseldorf, Universitätsstrasse 1, 40225, Düsseldorf, Germany
| | - Finn K Hansen
- Institute of Pharmaceutical and Medicinal Chemistry, Heinrich-Heine-Universität Düsseldorf, Universitätsstrasse 1, 40225, Düsseldorf, Germany.,Pharmaceutical/Medicinal Chemistry, Institute of Pharmacy, Leipzig University, Brüderstrasse 34, 04103, Leipzig, Germany
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12
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Affiliation(s)
- Ajay L. Chandgude
- Department of Drug Design, University of Groningen, Antonius Deusinglaan 1, 9713 AV Groningen, The Netherlands
| | - Alexander Dömling
- Department of Drug Design, University of Groningen, Antonius Deusinglaan 1, 9713 AV Groningen, The Netherlands
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13
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Diedrich D, Moita AJR, Rüther A, Frieg B, Reiss GJ, Hoeppner A, Kurz T, Gohlke H, Lüdeke S, Kassack MU, Hansen FK. α-Aminoxy Oligopeptides: Synthesis, Secondary Structure, and Cytotoxicity of a New Class of Anticancer Foldamers. Chemistry 2016; 22:17600-17611. [PMID: 27573537 DOI: 10.1002/chem.201602521] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2016] [Indexed: 11/11/2022]
Abstract
α-Aminoxy peptides are peptidomimetic foldamers with high proteolytic and conformational stability. To gain an improved synthetic access to α-aminoxy oligopeptides we used a straightforward combination of solution- and solid-phase-supported methods and obtained oligomers that showed a remarkable anticancer activity against a panel of cancer cell lines. We solved the first X-ray crystal structure of an α-aminoxy peptide with multiple turns around the helical axis. The crystal structure revealed a right-handed 28 -helical conformation with precisely two residues per turn and a helical pitch of 5.8 Å. By 2D ROESY experiments, molecular dynamics simulations, and CD spectroscopy we were able to identify the 28 -helix as the predominant conformation in organic solvents. In aqueous solution, the α-aminoxy peptides exist in the 28 -helical conformation at acidic pH, but exhibit remarkable changes in the secondary structure with increasing pH. The most cytotoxic α-aminoxy peptides have an increased propensity to take up a 28 -helical conformation in the presence of a model membrane. This indicates a correlation between the 28 -helical conformation and the membranolytic activity observed in mode of action studies, thereby providing novel insights in the folding properties and the biological activity of α-aminoxy peptides.
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Affiliation(s)
- Daniela Diedrich
- Institut für Pharmazeutische und Medizinische Chemie, Heinrich-Heine-Universität Düsseldorf, 40225, Düsseldorf, Germany
| | - Ana J Rodrigues Moita
- Institut für Pharmazeutische und Medizinische Chemie, Heinrich-Heine-Universität Düsseldorf, 40225, Düsseldorf, Germany
| | - Anja Rüther
- Institut für Pharmazeutische Wissenschaften, Albert-Ludwigs-Universität Freiburg, 79104, Freiburg, Germany
| | - Benedikt Frieg
- Institut für Pharmazeutische und Medizinische Chemie, Heinrich-Heine-Universität Düsseldorf, 40225, Düsseldorf, Germany
| | - Guido J Reiss
- Institut für Anorganische Chemie und Strukturchemie, Heinrich-Heine-Universität Düsseldorf, 40225, Düsseldorf, Germany
| | - Astrid Hoeppner
- X-Ray Facility and Crystal Farm, Heinrich-Heine-Universität Düsseldorf, 40225, Düsseldorf, Germany
| | - Thomas Kurz
- Institut für Pharmazeutische und Medizinische Chemie, Heinrich-Heine-Universität Düsseldorf, 40225, Düsseldorf, Germany
| | - Holger Gohlke
- Institut für Pharmazeutische und Medizinische Chemie, Heinrich-Heine-Universität Düsseldorf, 40225, Düsseldorf, Germany
| | - Steffen Lüdeke
- Institut für Pharmazeutische Wissenschaften, Albert-Ludwigs-Universität Freiburg, 79104, Freiburg, Germany
| | - Matthias U Kassack
- Institut für Pharmazeutische und Medizinische Chemie, Heinrich-Heine-Universität Düsseldorf, 40225, Düsseldorf, Germany
| | - Finn K Hansen
- Institut für Pharmazeutische und Medizinische Chemie, Heinrich-Heine-Universität Düsseldorf, 40225, Düsseldorf, Germany
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14
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Abstract
Aromatic amide foldamers constitute a growing class of oligomers that adopt remarkably stable folded conformations. The folded structures possess largely predictable shapes and open the way toward the design of synthetic mimics of proteins. Important examples of aromatic amide foldamers include oligomers of 7- or 8-amino-2-quinoline carboxylic acid that have been shown to exist predominantly as well-defined helices, including when they are combined with α-amino acids to which they may impose their folding behavior. To rapidly iterate their synthesis, solid phase synthesis (SPS) protocols have been developed and optimized for overcoming synthetic difficulties inherent to these backbones such as low nucleophilicity of amine groups on electron poor aromatic rings and a strong propensity of even short sequences to fold on the solid phase during synthesis. For example, acid chloride activation and the use of microwaves are required to bring coupling at aromatic amines to completion. Here, we report detailed SPS protocols for the rapid production of: (1) oligomers of 8-amino-2-quinolinecarboxylic acid; (2) oligomers containing 7-amino-8-fluoro-2-quinolinecarboxylic acid; and (3) heteromeric oligomers of 8-amino-2-quinolinecarboxylic acid and α-amino acids. SPS brings the advantage to quickly produce sequences having varied main chain or side chain components without having to purify multiple intermediates as in solution phase synthesis. With these protocols, an octamer could easily be synthesized and purified within one to two weeks from Fmoc protected amino acid monomer precursors.
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15
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Abstract
The synthesis and chemical and physicochemical properties as well as biological and medical applications of various hydroxylamine-functionalized carbohydrate derivatives are summarized.
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Affiliation(s)
- N. Chen
- PPSM
- ENS Cachan
- CNRS
- Alembert Institute
- Université Paris-Saclay
| | - J. Xie
- PPSM
- ENS Cachan
- CNRS
- Alembert Institute
- Université Paris-Saclay
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16
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Wang ZA, Ding XZ, Tian CL, Zheng JS. Protein/peptide secondary structural mimics: design, characterization, and modulation of protein–protein interactions. RSC Adv 2016. [DOI: 10.1039/c6ra13976k] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
This review discusses general aspects of novel artificial peptide secondary structure mimics for modulation of PPIs, their therapeutic applications and future prospects.
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Affiliation(s)
- Zhipeng A. Wang
- School of Life Sciences
- University of Science and Technology of China
- Hefei 230026
- China
- Department of Chemistry
| | - Xiaozhe Z. Ding
- School of Life Sciences
- Tsinghua University
- Beijing 100084
- China
- Department of Bioengineering
| | - Chang-Lin Tian
- School of Life Sciences
- University of Science and Technology of China
- Hefei 230026
- China
| | - Ji-Shen Zheng
- School of Life Sciences
- University of Science and Technology of China
- Hefei 230026
- China
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17
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Ganesh Kumar M, Gopi HN. γ- and β-Peptide Foldamers from Common Multifaceted Building Blocks: Synthesis and Structural Characterization. Org Lett 2015; 17:4738-41. [DOI: 10.1021/acs.orglett.5b02263] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Mothukuri Ganesh Kumar
- Department of Chemistry, Indian Institute of Science Education and Research, Dr. Homi Bhabha Road, Pune 411008, India
| | - Hosahudya N. Gopi
- Department of Chemistry, Indian Institute of Science Education and Research, Dr. Homi Bhabha Road, Pune 411008, India
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18
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Wu H, Qiao Q, Teng P, Hu Y, Antoniadis D, Zuo X, Cai J. New Class of Heterogeneous Helical Peptidomimetics. Org Lett 2015; 17:3524-7. [PMID: 26153619 DOI: 10.1021/acs.orglett.5b01608] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A new class of unnatural heterogeneous foldamers is reported to contain alternative α-amino acid and sulfono-γ-AA amino acid residues in a 1:1 repeat pattern. Two-dimensional NMR data show that two 1:1 α/sulfono-γ-AA peptides with diverse side chains form analogous right-handed helical structures in solution. The effects of sequence length, side chain, N-capping, and temperature on folding propensity were further investigated using circular dichroism and small-angle X-ray scattering.
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Affiliation(s)
- Haifan Wu
- †Department of Chemistry, University of South Florida, 4202 E. Fowler Avenue, Tampa, Florida 33620, United States
| | - Qiao Qiao
- †Department of Chemistry, University of South Florida, 4202 E. Fowler Avenue, Tampa, Florida 33620, United States
| | - Peng Teng
- †Department of Chemistry, University of South Florida, 4202 E. Fowler Avenue, Tampa, Florida 33620, United States
| | - Yaogang Hu
- †Department of Chemistry, University of South Florida, 4202 E. Fowler Avenue, Tampa, Florida 33620, United States
| | - Dimitrios Antoniadis
- †Department of Chemistry, University of South Florida, 4202 E. Fowler Avenue, Tampa, Florida 33620, United States
| | - Xiaobing Zuo
- ‡X-ray Science Division, Argonne National Laboratory, 9700 South Cass Avenue, Argonne, Illinois 60439, United States
| | - Jianfeng Cai
- †Department of Chemistry, University of South Florida, 4202 E. Fowler Avenue, Tampa, Florida 33620, United States
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19
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Chen L, Wang H, Zhang DW, Zhou Y, Li ZT. Quadruple Switching of Pleated Foldamers of Tetrathiafulvalene-Bipyridinium Alternating Dynamic Covalent Polymers. Angew Chem Int Ed Engl 2015; 54:4028-31. [PMID: 25651411 DOI: 10.1002/anie.201410757] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2014] [Indexed: 01/04/2023]
Affiliation(s)
- Lan Chen
- Department of Chemistry, Collaborative Innovation Center of Chemistry for Energy Materials (iChEM), Fudan University, 220 Handan Road, Shanghai 200433 (China)
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20
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Chen L, Wang H, Zhang DW, Zhou Y, Li ZT. Quadruple Switching of Pleated Foldamers of Tetrathiafulvalene-Bipyridinium Alternating Dynamic Covalent Polymers. Angew Chem Int Ed Engl 2015. [DOI: 10.1002/ange.201410757] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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21
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Zhang YC, Zhang DW, Wang H, Zhou Y, Li ZT. Bipyridinium radical cation dimerization-driven polymeric pleated foldamers and a homoduplex that undergo ion-tuned interconversion. Polym Chem 2015. [DOI: 10.1039/c5py00419e] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Radical cation dimerization induces bipyridinium-derived polymers to form pleated secondary structures and a homoduplex which can be tuned by ammonium to interconvert.
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Affiliation(s)
- Yun-Chang Zhang
- Department of Chemistry
- Collaborative Innovation Center of Chemistry for Energy Materials (iChEM)
- Fudan University
- Shanghai 200433
- China
| | - Dan-Wei Zhang
- Department of Chemistry
- Collaborative Innovation Center of Chemistry for Energy Materials (iChEM)
- Fudan University
- Shanghai 200433
- China
| | - Hui Wang
- Department of Chemistry
- Collaborative Innovation Center of Chemistry for Energy Materials (iChEM)
- Fudan University
- Shanghai 200433
- China
| | - Yaming Zhou
- Department of Chemistry
- Collaborative Innovation Center of Chemistry for Energy Materials (iChEM)
- Fudan University
- Shanghai 200433
- China
| | - Zhan-Ting Li
- Department of Chemistry
- Collaborative Innovation Center of Chemistry for Energy Materials (iChEM)
- Fudan University
- Shanghai 200433
- China
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22
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Wu H, Qiao Q, Hu Y, Teng P, Gao W, Zuo X, Wojtas L, Larsen RW, Ma S, Cai J. Sulfono-γ-AApeptides as a new class of nonnatural helical foldamer. Chemistry 2014; 21:2501-7. [PMID: 25504756 DOI: 10.1002/chem.201406112] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2014] [Indexed: 11/06/2022]
Abstract
Foldamers offer an attractive opportunity for the design of novel molecules that mimic the structures and functions of proteins and enzymes including biocatalysis and biomolecular recognition. Herein we report a new class of nonnatural helical sulfono-γ-AApeptide foldamers of varying lengths. The crystal structure of the sulfono-γ-AApeptide monomer S6 illustrates the intrinsic folding propensity of sulfono-γ-AApeptides, which likely originates from the bulkiness of tertiary sulfonamide moiety. The two-dimensional solution NMR spectroscopy data for the longest sequence S1 demonstrates a 10/16 right-handed helical structure. Optical analysis using circular dichroism further supports well- defined helical conformation of sulfono-γ-AApeptides in solution containing as few as five building blocks. Future development of sulfono-γ-AApeptides may lead to new foldamers with discrete functions, enabling expanded application in chemical biology and biomedical sciences.
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Affiliation(s)
- Haifan Wu
- Department of Chemistry, University of South Florida, 4202 E. Fowler Ave, Tampa, FL 33620 (USA)
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23
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Hydrogen-Bonding-Driven Aromatic Foldamers: Their Structural and Functional Evolution. CHEM REC 2014; 15:233-51. [DOI: 10.1002/tcr.201402046] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2014] [Indexed: 12/16/2022]
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24
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Wu CF, Li ZM, Xu XN, Zhao ZX, Zhao X, Wang RX, Li ZT. Folding-Induced Folding: The Assembly of Aromatic Amide and 1,2,3-Triazole Hybrid Helices. Chemistry 2014; 20:1418-26. [DOI: 10.1002/chem.201304161] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2013] [Indexed: 12/15/2022]
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25
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Liu YH, Zhang L, Xu XN, Li ZM, Zhang DW, Zhao X, Li ZT. Intramolecular C–H⋯F hydrogen bonding-induced 1,2,3-triazole-based foldamers. Org Chem Front 2014. [DOI: 10.1039/c4qo00047a] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Intramolecular C–H⋯F hydrogen bonding has been utilized to induce 1,2,3-triazole oligomers to fold into stable artificial secondary structures.
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Affiliation(s)
- Yan-Hua Liu
- Shanghai Institute of Organic Chemistry
- Chinese Academy of Sciences
- Shanghai 200032, China
| | - Liang Zhang
- Department of Chemistry
- Fudan University
- Shanghai 200433, China
| | - Xiao-Na Xu
- Shanghai Institute of Organic Chemistry
- Chinese Academy of Sciences
- Shanghai 200032, China
| | - Zhi-Ming Li
- Department of Chemistry
- Fudan University
- Shanghai 200433, China
| | - Dan-Wei Zhang
- Department of Chemistry
- Fudan University
- Shanghai 200433, China
| | - Xin Zhao
- Shanghai Institute of Organic Chemistry
- Chinese Academy of Sciences
- Shanghai 200032, China
| | - Zhan-Ting Li
- Shanghai Institute of Organic Chemistry
- Chinese Academy of Sciences
- Shanghai 200032, China
- Department of Chemistry
- Fudan University
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26
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Avan I, Hall CD, Katritzky AR. Peptidomimetics via modifications of amino acids and peptide bonds. Chem Soc Rev 2014; 43:3575-94. [DOI: 10.1039/c3cs60384a] [Citation(s) in RCA: 183] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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27
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Wang JL, Xu JS, Wang DY, Wang H, Li ZT, Zhang DW. Anti-parallel sheet structures of side-chain-free γ-, δ-, and ε-dipeptides stabilized by benzene–pentafluorobenzene stacking. CrystEngComm 2014. [DOI: 10.1039/c3ce42060d] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Benzene–pentafluorobenzene stacking can guide ω-amino acid dipeptides to arrange in an anti-parallel manner.
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Affiliation(s)
- Ji-Liang Wang
- Department of Chemistry
- Fudan University
- Shanghai 200433, China
| | - Jia-Su Xu
- Department of Chemistry
- Fudan University
- Shanghai 200433, China
| | - Dong-Yun Wang
- Department of Chemistry
- Fudan University
- Shanghai 200433, China
| | - Hui Wang
- Department of Chemistry
- Fudan University
- Shanghai 200433, China
| | - Zhan-Ting Li
- Department of Chemistry
- Fudan University
- Shanghai 200433, China
| | - Dan-Wei Zhang
- Department of Chemistry
- Fudan University
- Shanghai 200433, China
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28
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Nelli YR, Fischer L, Collie GW, Kauffmann B, Guichard G. Structural characterization of short hybrid urea/carbamate (U/C) foldamers: A case of partial helix unwinding. Biopolymers 2013; 100:687-97. [DOI: 10.1002/bip.22302] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2013] [Revised: 05/21/2013] [Accepted: 05/28/2013] [Indexed: 12/31/2022]
Affiliation(s)
- Yella Reddy Nelli
- Université de Bordeaux, CNRS UMR 5248; CBMN, Institut Européen de Chimie et Biologie; 2 rue Robert Escarpit 33607 Pessac France
| | - Lucile Fischer
- Université de Bordeaux, CNRS UMR 5248; CBMN, Institut Européen de Chimie et Biologie; 2 rue Robert Escarpit 33607 Pessac France
| | - Gavin W. Collie
- Université de Bordeaux, CNRS UMR 5248; CBMN, Institut Européen de Chimie et Biologie; 2 rue Robert Escarpit 33607 Pessac France
| | - Brice Kauffmann
- Université de Bordeaux, CNRS UMS 3033; INSERM US001, Institut Européen de Chimie et Biologie; 2 rue Robert Escarpit 33607 Pessac France
| | - Gilles Guichard
- Université de Bordeaux, CNRS UMR 5248; CBMN, Institut Européen de Chimie et Biologie; 2 rue Robert Escarpit 33607 Pessac France
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29
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Dhal PK, Polomoscanik SC, Gianolio DA, Starremans PG, Busch M, Alving K, Chen B, Miller RJ. Well-Defined Aminooxy Terminated N-(2-Hydroxypropyl) Methacrylamide Macromers for Site Specific Bioconjugation of Glycoproteins. Bioconjug Chem 2013; 24:865-77. [DOI: 10.1021/bc300472e] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Affiliation(s)
- Pradeep K. Dhal
- Polymer & Biomaterial R&D, Sanofi-Genzyme R&D Center, Genzyme Corporation—A Sanofi Company, 270 Albany Street, Cambridge, Massachusetts 02139, United States
| | - Steven C. Polomoscanik
- Polymer & Biomaterial R&D, Sanofi-Genzyme R&D Center, Genzyme Corporation—A Sanofi Company, 270 Albany Street, Cambridge, Massachusetts 02139, United States
| | - Diego A. Gianolio
- Polymer & Biomaterial R&D, Sanofi-Genzyme R&D Center, Genzyme Corporation—A Sanofi Company, 270 Albany Street, Cambridge, Massachusetts 02139, United States
| | - Patrick G. Starremans
- Polymer & Biomaterial R&D, Sanofi-Genzyme R&D Center, Genzyme Corporation—A Sanofi Company, 270 Albany Street, Cambridge, Massachusetts 02139, United States
| | - Michelle Busch
- Polymer & Biomaterial R&D, Sanofi-Genzyme R&D Center, Genzyme Corporation—A Sanofi Company, 270 Albany Street, Cambridge, Massachusetts 02139, United States
| | - Kim Alving
- Polymer & Biomaterial R&D, Sanofi-Genzyme R&D Center, Genzyme Corporation—A Sanofi Company, 270 Albany Street, Cambridge, Massachusetts 02139, United States
| | - Bo Chen
- Polymer & Biomaterial R&D, Sanofi-Genzyme R&D Center, Genzyme Corporation—A Sanofi Company, 270 Albany Street, Cambridge, Massachusetts 02139, United States
| | - Robert J. Miller
- Polymer & Biomaterial R&D, Sanofi-Genzyme R&D Center, Genzyme Corporation—A Sanofi Company, 270 Albany Street, Cambridge, Massachusetts 02139, United States
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30
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Pendem N, Nelli YR, Douat C, Fischer L, Laguerre M, Ennifar E, Kauffmann B, Guichard G. Controlling Helix Formation in the γ-Peptide Superfamily: Heterogeneous Foldamers with Urea/Amide and Urea/Carbamate Backbones. Angew Chem Int Ed Engl 2013; 52:4147-51. [DOI: 10.1002/anie.201209838] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2012] [Indexed: 11/08/2022]
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31
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Pendem N, Nelli YR, Douat C, Fischer L, Laguerre M, Ennifar E, Kauffmann B, Guichard G. Controlling Helix Formation in the γ-Peptide Superfamily: Heterogeneous Foldamers with Urea/Amide and Urea/Carbamate Backbones. Angew Chem Int Ed Engl 2013. [DOI: 10.1002/ange.201209838] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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32
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Mechanically Interlaced and Interlocked Donor–Acceptor Foldamers. HIERARCHICAL MACROMOLECULAR STRUCTURES: 60 YEARS AFTER THE STAUDINGER NOBEL PRIZE I 2013. [DOI: 10.1007/12_2013_245] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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33
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Baldauf C, Hofmann HJ. Ab initioMO Theory - An Important Tool in Foldamer Research: Prediction of Helices in Oligomers ofω-Amino Acids. Helv Chim Acta 2012. [DOI: 10.1002/hlca.201200436] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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34
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Li X, Du X, Li J, Gao Y, Pan Y, Shi J, Zhou N, Xu B. Introducing D-amino acid or simple glycoside into small peptides to enable supramolecular hydrogelators to resist proteolysis. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2012; 28:13512-7. [PMID: 22906360 PMCID: PMC3472800 DOI: 10.1021/la302583a] [Citation(s) in RCA: 66] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/07/2023]
Abstract
Here we report the examination of two convenient strategies, the use of a d-amino acid residue or a glycoside segment, for increasing the proteolytic resistance of supramolecular hydrogelators based on small peptides. Our results show that the introduction of d-amino acid or glycoside to the peptides significantly increases the resistance of the hydrogelators against proteinase K, a powerful endopeptidase. The insertion of d-amino acid in the peptide backbone, however, results relatively low storage moduli of the hydrogels, likely due to the disruption of the superstructures of the molecular assembly. In contrast, the introduction of a glycoside to the C-terminal of peptide enhances the biostability of the hydrogelators without the significant decrease of the storage moduli of the hydrogels. This work suggests that the inclusion of a simple glycogen in hydrogelators is a useful approach to increase their biostability, and the gained understanding from the work may ultimately lead to development of hydrogels of functional peptides for biomedical applications that require long-term biostability.
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Affiliation(s)
| | - Xuewen Du
- Department of Chemistry, Brandeis University, 415 South Street, Waltham, Massachusetts 02454 USA
| | - Jiayang Li
- Department of Chemistry, Brandeis University, 415 South Street, Waltham, Massachusetts 02454 USA
| | - Yuan Gao
- Department of Chemistry, Brandeis University, 415 South Street, Waltham, Massachusetts 02454 USA
| | - Yue Pan
- Department of Chemistry, Brandeis University, 415 South Street, Waltham, Massachusetts 02454 USA
| | - Junfeng Shi
- Department of Chemistry, Brandeis University, 415 South Street, Waltham, Massachusetts 02454 USA
| | - Ning Zhou
- Department of Chemistry, Brandeis University, 415 South Street, Waltham, Massachusetts 02454 USA
| | - Bing Xu
- Department of Chemistry, Brandeis University, 415 South Street, Waltham, Massachusetts 02454 USA
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35
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Zhang DW, Zhao X, Hou JL, Li ZT. Aromatic Amide Foldamers: Structures, Properties, and Functions. Chem Rev 2012; 112:5271-316. [PMID: 22871167 DOI: 10.1021/cr300116k] [Citation(s) in RCA: 509] [Impact Index Per Article: 42.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Dan-Wei Zhang
- Department of Chemistry, Fudan
University, 220 Handan Road, Shanghai 200433, China
| | - Xin Zhao
- Shanghai Institute of Organic
Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai
200032, China
| | - Jun-Li Hou
- Department of Chemistry, Fudan
University, 220 Handan Road, Shanghai 200433, China
| | - Zhan-Ting Li
- Department of Chemistry, Fudan
University, 220 Handan Road, Shanghai 200433, China
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36
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Synthesis of furan derivatives of cyclic β-amino acid cispentacin via intramolecular nitrile oxide cycloaddition. Tetrahedron Lett 2012. [DOI: 10.1016/j.tetlet.2012.05.126] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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37
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Li X, Du X, Gao Y, Shi J, Kuang Y, Xu B. Supramolecular hydrogels formed by the conjugates of nucleobases, Arg-Gly-Asp (RGD) peptides, and glucosamine. SOFT MATTER 2012; 8:7402-7407. [PMID: 22844343 PMCID: PMC3403830 DOI: 10.1039/c2sm25725d] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/20/2023]
Abstract
Here we report the generation of a novel class of supramolecular hydrogelators based on the integration of nucleobase, Arg-Gly-Asp (RGD) peptides, and glucosamine in a single molecule. These novel small molecule hydrogelators self-assemble in water to form stable supramolecular nanofibers/hydrogels and exhibit useful biostability. This approach provides a new opportunity for systematic exploration of the self-assembly of small biomolecules by varying any individual segment to generate a large array of supramolecular hydrogels for biological functions and for biomedical applications.
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Affiliation(s)
- Xinming Li
- Department of Chemistry, Brandeis University, 415 South Street, Waltham, Massachusetts 02454 USA, Fax: 781-736-2516. Tel: 781-736-5201
| | - Xuewen Du
- Department of Chemistry, Brandeis University, 415 South Street, Waltham, Massachusetts 02454 USA, Fax: 781-736-2516. Tel: 781-736-5201
| | - Yuan Gao
- Department of Chemistry, Brandeis University, 415 South Street, Waltham, Massachusetts 02454 USA, Fax: 781-736-2516. Tel: 781-736-5201
| | - Junfeng Shi
- Department of Chemistry, Brandeis University, 415 South Street, Waltham, Massachusetts 02454 USA, Fax: 781-736-2516. Tel: 781-736-5201
| | - Yi Kuang
- Department of Chemistry, Brandeis University, 415 South Street, Waltham, Massachusetts 02454 USA, Fax: 781-736-2516. Tel: 781-736-5201
| | - Bing Xu
- Department of Chemistry, Brandeis University, 415 South Street, Waltham, Massachusetts 02454 USA, Fax: 781-736-2516. Tel: 781-736-5201
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38
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Zhu N, Yan Q, Luo Z, Zhai Y, Zhao D. Helical Folding of Conjugated Oligo(phenyleneethynylene): Chain-Length Dependence, Solvent Effects, and Intermolecular Assembly. Chem Asian J 2012; 7:2386-93. [DOI: 10.1002/asia.201200430] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2012] [Indexed: 11/11/2022]
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39
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Moussodia RO, Acherar S, Bordessa A, Vanderesse R, Jamart-Grégoire B. An expedient and short synthesis of chiral α-hydrazinoesters: synthesis and conformational analysis of 1:1 [α/α-Nα-hydrazino]mers. Tetrahedron 2012. [DOI: 10.1016/j.tet.2012.04.018] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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40
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Ma B, Yin C, Yang D, Lin G. Effect of structural modification on the gastrointestinal stability and hepatic metabolism of α-aminoxy peptides. Amino Acids 2012; 43:2073-85. [DOI: 10.1007/s00726-012-1291-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2011] [Accepted: 04/03/2012] [Indexed: 10/28/2022]
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41
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Ma B, Chai S, Li N, To KK, Kan WLT, Yang D, Lin G. Reversal of P-glycoprotein-mediated multidrug resistance by a synthetic α-aminoxy peptidomimetic. Int J Pharm 2012; 424:33-9. [DOI: 10.1016/j.ijpharm.2011.12.046] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2011] [Revised: 12/06/2011] [Accepted: 12/25/2011] [Indexed: 11/29/2022]
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42
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Yan Y, Zhao W, Bhagavathy GV, Faurie A, Mosey NJ, Petitjean A. Controlled synthesis and alkaline earth ion binding of switchable formamidoxime-based crown ether analogs. Chem Commun (Camb) 2012; 48:7829-31. [PMID: 22751352 DOI: 10.1039/c2cc33090c] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Affiliation(s)
- Yi Yan
- Department of Chemistry, Queen's University, 90 Bader Lane, Kingston, ON K7L3N6, Canada
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43
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Zhao H, Ong WQ, Fang X, Zhou F, Hii MN, Li SFY, Su H, Zeng H. Synthesis, structural investigation and computational modelling of water-binding aquafoldamers. Org Biomol Chem 2012; 10:1172-80. [DOI: 10.1039/c1ob06609a] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
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44
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45
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Zhao W, Wang R, Petitjean A. Z-formamidoximes in molecular folding and macrocycles. Org Biomol Chem 2011; 9:7647-51. [PMID: 21947031 DOI: 10.1039/c1ob06378b] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
The formamidoxime configurational Z isomer coupled with the pyridylbiscarboxamide conformational codon were used to fold planar, curved structures. When embedded into macrocycles, this folded motif promotes dimerization through π-π stacking and hydrogen-bonding and the formation of tubules akin to molecular channels in the solid state.
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Affiliation(s)
- Weiwen Zhao
- Department of Chemistry, Queen's University, Kingston, ON K7L3N6, Canada
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46
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Reddy CR, Radhika L, Kumar TP, Chandrasekhar S. First Acid-Catalyzed Entry to O-Alkylated Hydroximides from Benzylic Alcohols. European J Org Chem 2011. [DOI: 10.1002/ejoc.201100797] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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47
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Chen Z, Urban ND, Gao Y, Zhang W, Deng J, Zhu J, Zeng XC, Gong B. Covalent Reinforcement of Hydrogen-Bonded Discs into Stably Folded Helical Structures. Org Lett 2011; 13:4008-11. [DOI: 10.1021/ol201526g] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Zhongzhu Chen
- Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu, 610041, China, Graduate University of Chinese Academy of Sciences, Beijing 100049, China, Department of Chemistry, University at Buffalo, State University of New York, Buffalo, New York 14260, United States, and Department of Chemistry, University of Nebraska—Lincoln, Lincoln, Nebraska 68588, United States
| | - Nathaniel D. Urban
- Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu, 610041, China, Graduate University of Chinese Academy of Sciences, Beijing 100049, China, Department of Chemistry, University at Buffalo, State University of New York, Buffalo, New York 14260, United States, and Department of Chemistry, University of Nebraska—Lincoln, Lincoln, Nebraska 68588, United States
| | - Yi Gao
- Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu, 610041, China, Graduate University of Chinese Academy of Sciences, Beijing 100049, China, Department of Chemistry, University at Buffalo, State University of New York, Buffalo, New York 14260, United States, and Department of Chemistry, University of Nebraska—Lincoln, Lincoln, Nebraska 68588, United States
| | - Wenrui Zhang
- Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu, 610041, China, Graduate University of Chinese Academy of Sciences, Beijing 100049, China, Department of Chemistry, University at Buffalo, State University of New York, Buffalo, New York 14260, United States, and Department of Chemistry, University of Nebraska—Lincoln, Lincoln, Nebraska 68588, United States
| | - Jingen Deng
- Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu, 610041, China, Graduate University of Chinese Academy of Sciences, Beijing 100049, China, Department of Chemistry, University at Buffalo, State University of New York, Buffalo, New York 14260, United States, and Department of Chemistry, University of Nebraska—Lincoln, Lincoln, Nebraska 68588, United States
| | - Jin Zhu
- Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu, 610041, China, Graduate University of Chinese Academy of Sciences, Beijing 100049, China, Department of Chemistry, University at Buffalo, State University of New York, Buffalo, New York 14260, United States, and Department of Chemistry, University of Nebraska—Lincoln, Lincoln, Nebraska 68588, United States
| | - Xiao Cheng Zeng
- Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu, 610041, China, Graduate University of Chinese Academy of Sciences, Beijing 100049, China, Department of Chemistry, University at Buffalo, State University of New York, Buffalo, New York 14260, United States, and Department of Chemistry, University of Nebraska—Lincoln, Lincoln, Nebraska 68588, United States
| | - Bing Gong
- Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu, 610041, China, Graduate University of Chinese Academy of Sciences, Beijing 100049, China, Department of Chemistry, University at Buffalo, State University of New York, Buffalo, New York 14260, United States, and Department of Chemistry, University of Nebraska—Lincoln, Lincoln, Nebraska 68588, United States
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Affiliation(s)
- Claudia Tomasini
- Dipartimento di Chimica “G. Ciamician” Alma Mater Studiorum Università di Bologna via Selmi 2, 40126 Bologna, Italy, Fax: +39‐051‐2099456
| | - Gaetano Angelici
- Department of Chemistry, University of Basel, St. Johanns‐Ring 19, 4056 Basel, Switzerland
| | - Nicola Castellucci
- Dipartimento di Chimica “G. Ciamician” Alma Mater Studiorum Università di Bologna via Selmi 2, 40126 Bologna, Italy, Fax: +39‐051‐2099456
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49
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Ma B, Zha H, Li N, Yang D, Lin G. Effect of Structural Modification of α-Aminoxy Peptides on Their Intestinal Absorption and Transport Mechanism. Mol Pharm 2011; 8:1073-82. [DOI: 10.1021/mp1003866] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Bin Ma
- School of Biomedical Sciences, The Chinese University of Hong Kong, Hong Kong SAR
| | - Huiyan Zha
- Department of Chemistry, The University of Hong Kong, Hong Kong SAR
| | - Na Li
- School of Biomedical Sciences, The Chinese University of Hong Kong, Hong Kong SAR
| | - Dan Yang
- Department of Chemistry, The University of Hong Kong, Hong Kong SAR
| | - Ge Lin
- School of Biomedical Sciences, The Chinese University of Hong Kong, Hong Kong SAR
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50
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Ong WQ, Zhao H, Fang X, Woen S, Zhou F, Yap W, Su H, Li SFY, Zeng H. Encapsulation of conventional and unconventional water dimers by water-binding foldamers. Org Lett 2011; 13:3194-7. [PMID: 21591725 DOI: 10.1021/ol2011083] [Citation(s) in RCA: 49] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
Water-binding foldamers have been rarely studied. By orienting both H-bond donors and acceptors toward their interior, two pyridine-derived crescent-shaped folding oligoamides were found to be capable of trapping both conventional and unconventional water dimer clusters in their cavity (∼2.5 Å radius). In the unconventional water dimer cluster, the two water molecules stay in contact via an unusual H-H interaction (2.25 Å) rather than the typical H-bond.
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Affiliation(s)
- Wei Qiang Ong
- Department of Chemistry and NUS MedChem Program of the Office of Life Sciences, 3 Science Drive 3, National University of Singapore, Singapore 117543
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