1
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Hassan N, Krieg T, Zinser M, Schröder K, Kröger N. An Overview of Scaffolds and Biomaterials for Skin Expansion and Soft Tissue Regeneration: Insights on Zinc and Magnesium as New Potential Key Elements. Polymers (Basel) 2023; 15:3854. [PMID: 37835903 PMCID: PMC10575381 DOI: 10.3390/polym15193854] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2023] [Revised: 09/13/2023] [Accepted: 09/18/2023] [Indexed: 10/15/2023] Open
Abstract
The utilization of materials in medical implants, serving as substitutes for non-functional biological structures, supporting damaged tissues, or reinforcing active organs, holds significant importance in modern healthcare, positively impacting the quality of life for millions of individuals worldwide. However, certain implants may only be required temporarily to aid in the healing process of diseased or injured tissues and tissue expansion. Biodegradable metals, including zinc (Zn), magnesium (Mg), iron, and others, present a new paradigm in the realm of implant materials. Ongoing research focuses on developing optimized materials that meet medical standards, encompassing controllable corrosion rates, sustained mechanical stability, and favorable biocompatibility. Achieving these objectives involves refining alloy compositions and tailoring processing techniques to carefully control microstructures and mechanical properties. Among the materials under investigation, Mg- and Zn-based biodegradable materials and their alloys demonstrate the ability to provide necessary support during tissue regeneration while gradually degrading over time. Furthermore, as essential elements in the human body, Mg and Zn offer additional benefits, including promoting wound healing, facilitating cell growth, and participating in gene generation while interacting with various vital biological functions. This review provides an overview of the physiological function and significance for human health of Mg and Zn and their usage as implants in tissue regeneration using tissue scaffolds. The scaffold qualities, such as biodegradation, mechanical characteristics, and biocompatibility, are also discussed.
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Affiliation(s)
- Nourhan Hassan
- Department of Plastic, Reconstructive and Aesthetic Surgery, Faculty of Medicine, University Hospital Cologne, Kerpener Str. 62, 50937 Cologne, Germany
- Biotechnology Department, Faculty of Science, Cairo University, Giza 12613, Egypt
| | - Thomas Krieg
- Translational Matrix Biology, Medical Faculty, University of Cologne, 50923 Cologne, Germany
- Cologne Excellence Cluster on Cellular Stress Responses in Aging-Associated Diseases (CECAD), University of Cologne, 50923 Cologne, Germany
- Center for Molecular Medicine (CMMC), University of Cologne, 50923 Cologne, Germany
| | - Max Zinser
- Department of Plastic, Reconstructive and Aesthetic Surgery, Faculty of Medicine, University Hospital Cologne, Kerpener Str. 62, 50937 Cologne, Germany
- Department for Oral and Craniomaxillofacial and Plastic Surgery, University of Cologne, Kerpener Strasse 62, 50931 Cologne, Germany
| | - Kai Schröder
- Department of Plastic, Reconstructive and Aesthetic Surgery, Faculty of Medicine, University Hospital Cologne, Kerpener Str. 62, 50937 Cologne, Germany
| | - Nadja Kröger
- Department of Plastic, Reconstructive and Aesthetic Surgery, Faculty of Medicine, University Hospital Cologne, Kerpener Str. 62, 50937 Cologne, Germany
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2
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Yu K, Zou Z, Igareta NV, Tachibana R, Bechter J, Köhler V, Chen D, Ward TR. Artificial Metalloenzyme-Catalyzed Enantioselective Amidation via Nitrene Insertion in Unactivated C( sp3)-H Bonds. J Am Chem Soc 2023; 145:16621-16629. [PMID: 37471698 PMCID: PMC10401721 DOI: 10.1021/jacs.3c03969] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Indexed: 07/22/2023]
Abstract
Enantioselective C-H amidation offers attractive means to assemble C-N bonds to synthesize high-added value, nitrogen-containing molecules. In recent decades, complementary enzymatic and homogeneous-catalytic strategies for C-H amidation have been reported. Herein, we report on an artificial metalloenzyme (ArM) resulting from anchoring a biotinylated Ir-complex within streptavidin (Sav). The resulting ArM catalyzes the enantioselective amidation of unactivated C(sp3)-H bonds. Chemogenetic optimization of the Ir cofactor and Sav led to significant improvement in both the activity and enantioselectivity. Up to >700 TON and 92% ee for the amidation of unactivated C(sp3)-H bonds was achieved. The single crystal X-ray analysis of the artificial nitrene insertase (ANIase) combined with quantum mechanics-molecular mechanics (QM-MM) calculations sheds light on critical second coordination sphere contacts leading to improved catalytic performance.
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Affiliation(s)
- Kun Yu
- Department
of Chemistry, University of Basel, Mattenstrasse 24a, BPR 1096, Basel CH-4058, Switzerland
| | - Zhi Zou
- Department
of Chemistry, University of Basel, Mattenstrasse 24a, BPR 1096, Basel CH-4058, Switzerland
| | - Nico V. Igareta
- Department
of Chemistry, University of Basel, Mattenstrasse 24a, BPR 1096, Basel CH-4058, Switzerland
| | - Ryo Tachibana
- Department
of Chemistry, University of Basel, Mattenstrasse 24a, BPR 1096, Basel CH-4058, Switzerland
| | - Julia Bechter
- Department
of Chemistry, University of Basel, Mattenstrasse 24a, BPR 1096, Basel CH-4058, Switzerland
| | - Valentin Köhler
- Department
of Chemistry, University of Basel, Mattenstrasse 24a, BPR 1096, Basel CH-4058, Switzerland
| | - Dongping Chen
- Department
of Chemistry, University of Basel, Mattenstrasse 24a, BPR 1096, Basel CH-4058, Switzerland
| | - Thomas R. Ward
- Department
of Chemistry, University of Basel, Mattenstrasse 24a, BPR 1096, Basel CH-4058, Switzerland
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3
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Hoffnagle AM, Tezcan FA. Atomically Accurate Design of Metalloproteins with Predefined Coordination Geometries. J Am Chem Soc 2023; 145:14208-14214. [PMID: 37352018 PMCID: PMC10439731 DOI: 10.1021/jacs.3c04047] [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: 06/25/2023]
Abstract
We report a new computational protein design method for the construction of oligomeric protein assemblies around metal centers with predefined coordination geometries. We apply this method to design two homotrimeric assemblies, Tet4 and TP1, with tetrahedral and trigonal-pyramidal tris(histidine) metal coordination geometries, respectively, and demonstrate that both assemblies form the targeted metal centers with ≤0.2 Å accuracy. Although Tet4 and TP1 are constructed from the same parent protein building block, they are distinct in terms of their overall architectures, the environment surrounding the metal centers, and their metal-based reactivities, illustrating the versatility of our approach.
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Affiliation(s)
- Alexander M. Hoffnagle
- Department of Chemistry and Biochemistry, University of California, San Diego, CA 92093, USA
| | - F. Akif Tezcan
- Department of Chemistry and Biochemistry, University of California, San Diego, CA 92093, USA
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4
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Zhou S, Wei Y. Kaleidoscope megamolecules synthesis and application using self-assembly technology. Biotechnol Adv 2023; 65:108147. [PMID: 37023967 DOI: 10.1016/j.biotechadv.2023.108147] [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: 06/12/2022] [Revised: 02/20/2023] [Accepted: 04/02/2023] [Indexed: 04/08/2023]
Abstract
The megamolecules with high ordered structures play an important role in chemical biology and biomedical engineering. Self-assembly, a long-discovered but very appealing technique, could induce many reactions between biomacromolecules and organic linking molecules, such as an enzyme domain and its covalent inhibitors. Enzyme and its small-molecule inhibitors have achieved many successes in medical application, which realize the catalysis process and theranostic function. By employing the protein engineering technology, the building blocks of enzyme fusion protein and small molecule linker can be assembled into a novel architecture with the specified organization and conformation. Molecular level recognition of enzyme domain could provide both covalent reaction sites and structural skeleton for the functional fusion protein. In this review, we will discuss the range of tools available to combine functional domains by using the recombinant protein technology, which can assemble them into precisely specified architectures/valences and develop the kaleidoscope megamolecules for catalytic and medical application.
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Affiliation(s)
- Shengwang Zhou
- School of Pharmacy, Jiangsu University, Zhenjiang 212013, PR China.
| | - Yuan Wei
- School of Pharmacy, Jiangsu University, Zhenjiang 212013, PR China
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5
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Oohora K. Supramolecular assembling systems of hemoproteins using chemical modifications. J INCL PHENOM MACRO 2023. [DOI: 10.1007/s10847-023-01181-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/20/2023]
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6
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Oohora K, Hayashi T. Preparation of Cage-Like Micellar Assemblies of Engineered Hemoproteins. Methods Mol Biol 2023; 2671:95-108. [PMID: 37308640 DOI: 10.1007/978-1-0716-3222-2_5] [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: 06/14/2023]
Abstract
Natural protein assemblies have encouraged scientists to create large supramolecular systems consisting of various protein motifs. In the case of hemoproteins containing heme as a cofactor, several approaches have been reported to form artificial assemblies with various structures such as fibers, sheets, networks, and cages. This chapter describes the design, preparation, and characterization of cage-like micellar assemblies for chemically modified hemoproteins including hydrophilic protein units attached to hydrophobic molecules. Detailed procedures are described for constructing specific systems using cytochrome b562 and hexameric tyrosine-coordinated heme protein as hemoprotein units with heme-azobenzene conjugate and poly-N-isopropylacrylamide as attached molecules.
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Affiliation(s)
- Koji Oohora
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University, Yamadaoka, Suita, Japan.
| | - Takashi Hayashi
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University, Yamadaoka, Suita, Japan.
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7
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Olshefsky A, Richardson C, Pun SH, King NP. Engineering Self-Assembling Protein Nanoparticles for Therapeutic Delivery. Bioconjug Chem 2022; 33:2018-2034. [PMID: 35487503 PMCID: PMC9673152 DOI: 10.1021/acs.bioconjchem.2c00030] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
Despite remarkable advances over the past several decades, many therapeutic nanomaterials fail to overcome major in vivo delivery barriers. Controlling immunogenicity, optimizing biodistribution, and engineering environmental responsiveness are key outstanding delivery problems for most nanotherapeutics. However, notable exceptions exist including some lipid and polymeric nanoparticles, some virus-based nanoparticles, and nanoparticle vaccines where immunogenicity is desired. Self-assembling protein nanoparticles offer a powerful blend of modularity and precise designability to the field, and have the potential to solve many of the major barriers to delivery. In this review, we provide a brief overview of key designable features of protein nanoparticles and their implications for therapeutic delivery applications. We anticipate that protein nanoparticles will rapidly grow in their prevalence and impact as clinically relevant delivery platforms.
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Affiliation(s)
- Audrey Olshefsky
- Department
of Bioengineering, University of Washington, Seattle, Washington 98195, United States
- Institute
for Protein Design, University of Washington, Seattle, Washington 98195, United States
| | - Christian Richardson
- Department
of Bioengineering, University of Washington, Seattle, Washington 98195, United States
- Institute
for Protein Design, University of Washington, Seattle, Washington 98195, United States
| | - Suzie H. Pun
- Department
of Bioengineering, University of Washington, Seattle, Washington 98195, United States
- Molecular
Engineering and Sciences Institute, University
of Washington, Seattle, Washington 98195, United States
| | - Neil P. King
- Institute
for Protein Design, University of Washington, Seattle, Washington 98195, United States
- Department
of Biochemistry, University of Washington, Seattle, Washington 98195, United States
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8
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Winegar PH, Figg CA, Teplensky MH, Ramani N, Mirkin CA. Modular Nucleic Acid Scaffolds for Synthesizing Monodisperse and Sequence-Encoded Antibody Oligomers. Chem 2022; 8:3018-3030. [PMID: 36405374 PMCID: PMC9674055 DOI: 10.1016/j.chempr.2022.07.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Synthesizing protein oligomers that contain exact numbers of multiple different proteins in defined architectures is challenging. DNA-DNA interactions can be used to program protein assembly into oligomers; however, existing methods require changes to DNA design to achieve different numbers and oligomeric sequences of proteins. Herein, we develop a modular DNA scaffold that uses only six synthetic oligonucleotides to organize proteins into defined oligomers. As a proof-of-concept, model proteins (antibodies) are oligomerized into dimers and trimers, where antibody function is retained. Illustrating the modularity of this technique, dimer and trimer building blocks are then assembled into pentamers containing three different antibodies in an exact stoichiometry and oligomeric sequence. In sum, this report describes a generalizable method for organizing proteins into monodisperse, sequence-encoded oligomers using DNA. This advance will enable studies into how oligomeric protein sequences affect material properties in areas spanning pharmaceutical development, cascade catalysis, synthetic photosynthesis, and membrane transport.
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Affiliation(s)
- Peter H. Winegar
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, IL 60208, USA
- International Institute for Nanotechnology, Northwestern University, 2145 Sheridan Road, Evanston, IL 60208, USA
- These authors contributed equally
| | - C. Adrian Figg
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, IL 60208, USA
- International Institute for Nanotechnology, Northwestern University, 2145 Sheridan Road, Evanston, IL 60208, USA
- These authors contributed equally
| | - Michelle H. Teplensky
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, IL 60208, USA
- International Institute for Nanotechnology, Northwestern University, 2145 Sheridan Road, Evanston, IL 60208, USA
| | - Namrata Ramani
- International Institute for Nanotechnology, Northwestern University, 2145 Sheridan Road, Evanston, IL 60208, USA
- Department of Materials Science and Engineering, Northwestern University, 2145 Sheridan Road, Evanston, IL 60208, USA
| | - Chad A. Mirkin
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, IL 60208, USA
- International Institute for Nanotechnology, Northwestern University, 2145 Sheridan Road, Evanston, IL 60208, USA
- Department of Materials Science and Engineering, Northwestern University, 2145 Sheridan Road, Evanston, IL 60208, USA
- Lead contact
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9
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Wang J, Wicher B, Maurizot V, Huc I. Directing the Self-Assembly of Aromatic Foldamer Helices using Acridine Appendages and Metal Coordination. Chemistry 2022; 28:e202201345. [PMID: 35965255 PMCID: PMC9826129 DOI: 10.1002/chem.202201345] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2022] [Indexed: 01/11/2023]
Abstract
Folded molecules provide complex interaction interfaces amenable to sophisticated self-assembly motifs. Because of their high conformational stability, aromatic foldamers constitute suitable candidates for the rational elaboration of self-assembled architectures. Several multiturn helical aromatic oligoamides have been synthesized that possess arrays of acridine appendages pointing in one or two directions. The acridine units were shown to direct self-assembly in the solid state via aromatic stacking leading to recurrent helix-helix association patterns under the form of discrete dimers or extended arrays. In the presence of Pd(II), metal coordination of the acridine units overwhelms other forces and generates new metal-mediated multihelical self-assemblies, including macrocycles. These observations demonstrate simple access to different types of foldamer-containing architectures, ranging from discrete objects to 1D and, by extension, 2D and 3D arrays.
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Affiliation(s)
- Jinhua Wang
- CBMN (UMR5248)Univ. Bordeaux – CNRS – IPBInstitut Européen de Chimie et Biologie2 rue Escarpit33600PessacFrance
| | - Barbara Wicher
- Department of Chemical Technology of DrugsPoznan University of Medical SciencesGrunwaldzka 660-780PoznanPoland
| | - Victor Maurizot
- CBMN (UMR5248)Univ. Bordeaux – CNRS – IPBInstitut Européen de Chimie et Biologie2 rue Escarpit33600PessacFrance
| | - Ivan Huc
- CBMN (UMR5248)Univ. Bordeaux – CNRS – IPBInstitut Européen de Chimie et Biologie2 rue Escarpit33600PessacFrance
- Department of PharmacyLudwig-Maximilians-UniversitätButenandtstrasse 5–1381377MünchenGermany
- Cluster of Excellence e-conversion85748GarchingGermany
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10
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Lee J, Yang M, Song WJ. The expanded landscape of metalloproteins by genetic incorporation of noncanonical amino acids. B KOREAN CHEM SOC 2022. [DOI: 10.1002/bkcs.12635] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Jaehee Lee
- Department of Chemistry Seoul National University Seoul South Korea
| | - Minwoo Yang
- Department of Chemistry Seoul National University Seoul South Korea
| | - Woon Ju Song
- Department of Chemistry Seoul National University Seoul South Korea
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11
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Choi TS, Tezcan FA. Overcoming universal restrictions on metal selectivity by protein design. Nature 2022; 603:522-527. [PMID: 35236987 PMCID: PMC9157509 DOI: 10.1038/s41586-022-04469-8] [Citation(s) in RCA: 27] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2021] [Accepted: 01/21/2022] [Indexed: 11/09/2022]
Abstract
Selective metal coordination is central to the functions of metalloproteins:1,2 each metalloprotein must pair with its cognate metallocofactor to fulfil its biological role3. However, achieving metal selectivity solely through a three-dimensional protein structure is a great challenge, because there is a limited set of metal-coordinating amino acid functionalities and proteins are inherently flexible, which impedes steric selection of metals3,4. Metal-binding affinities of natural proteins are primarily dictated by the electronic properties of metal ions and follow the Irving-Williams series5 (Mn2+ < Fe2+ < Co2+ < Ni2+ < Cu2+ > Zn2+) with few exceptions6,7. Accordingly, metalloproteins overwhelmingly bind Cu2+ and Zn2+ in isolation, regardless of the nature of their active sites and their cognate metal ions1,3,8. This led organisms to evolve complex homeostatic machinery and non-equilibrium strategies to achieve correct metal speciation1,3,8-10. Here we report an artificial dimeric protein, (AB)2, that thermodynamically overcomes the Irving-Williams restrictions in vitro and in cells, favouring the binding of lower-Irving-Williams transition metals over Cu2+, the most dominant ion in the Irving-Williams series. Counter to the convention in molecular design of achieving specificity through structural preorganization, (AB)2 was deliberately designed to be flexible. This flexibility enabled (AB)2 to adopt mutually exclusive, metal-dependent conformational states, which led to the discovery of structurally coupled coordination sites that disfavour Cu2+ ions by enforcing an unfavourable coordination geometry. Aside from highlighting flexibility as a valuable element in protein design, our results illustrate design principles for constructing selective metal sequestration agents.
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Affiliation(s)
- Tae Su Choi
- Department of Chemistry and Biochemistry, University of California, San Diego, La Jolla, CA, USA
| | - F Akif Tezcan
- Department of Chemistry and Biochemistry, University of California, San Diego, La Jolla, CA, USA.
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12
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Zambrano G, Sekretareva A, D'Alonzo D, Leone L, Pavone V, Lombardi A, Nastri F. Oxidative dehalogenation of trichlorophenol catalyzed by a promiscuous artificial heme-enzyme. RSC Adv 2022; 12:12947-12956. [PMID: 35527726 PMCID: PMC9067433 DOI: 10.1039/d2ra00811d] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Accepted: 04/13/2022] [Indexed: 01/21/2023] Open
Abstract
The miniaturized metalloenzyme Fe(iii)-mimochrome VI*a (Fe(iii)-MC6*a) acts as an excellent biocatalyst in the H2O2-mediated oxidative dehalogenation of the well-known pesticide and biocide 2,4,6-trichlorophenol (TCP). The artificial enzyme can oxidize TCP with a catalytic efficiency (kcat/KTCPm = 150 000 mM−1 s−1) up to 1500-fold higher than the most active natural metalloenzyme horseradish peroxidase (HRP). UV-visible and EPR spectroscopies were used to provide indications of the catalytic mechanism. One equivalent of H2O2 fully converts Fe(iii)-MC6*a into the oxoferryl-porphyrin radical cation intermediate [(Fe(iv)
Created by potrace 1.16, written by Peter Selinger 2001-2019
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O)por˙+], similarly to peroxidase compound I (Cpd I). Addition of TCP to Cpd I rapidly leads to the formation of the corresponding quinone, while Cpd I decays back to the ferric resting state in the absence of substrate. EPR data suggest a catalytic mechanism involving two consecutive one-electron reactions. All results highlight the value of the miniaturization strategy for the development of chemically stable, highly efficient artificial metalloenzymes as powerful catalysts for the oxidative degradation of toxic pollutants. The artificial metalloenzyme FeMC6*a is able to perform the H2O2-mediated dechlorination of 2,4,6-trichlorophenol with unrivalled catalytic efficiency, highlighting its potential application for the removal of toxic pollutants.![]()
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Affiliation(s)
- Gerardo Zambrano
- Department of Chemical Sciences, University of Napoli Federico II, Via Cintia, 80126 Napoli, Italy
| | - Alina Sekretareva
- Department of Chemistry – Ångström, Uppsala University, Lägerhyddsvägen 1, 75120 Uppsala, Sweden
| | - Daniele D'Alonzo
- Department of Chemical Sciences, University of Napoli Federico II, Via Cintia, 80126 Napoli, Italy
| | - Linda Leone
- Department of Chemical Sciences, University of Napoli Federico II, Via Cintia, 80126 Napoli, Italy
| | - Vincenzo Pavone
- Department of Chemical Sciences, University of Napoli Federico II, Via Cintia, 80126 Napoli, Italy
| | - Angela Lombardi
- Department of Chemical Sciences, University of Napoli Federico II, Via Cintia, 80126 Napoli, Italy
| | - Flavia Nastri
- Department of Chemical Sciences, University of Napoli Federico II, Via Cintia, 80126 Napoli, Italy
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13
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Abstract
Natural metalloproteins perform many functions - ranging from sensing to electron transfer and catalysis - in which the position and property of each ligand and metal, is dictated by protein structure. De novo protein design aims to define an amino acid sequence that encodes a specific structure and function, providing a critical test of the hypothetical inner workings of (metallo)proteins. To date, de novo metalloproteins have used simple, symmetric tertiary structures - uncomplicated by the large size and evolutionary marks of natural proteins - to interrogate structure-function hypotheses. In this Review, we discuss de novo design applications, such as proteins that induce complex, increasingly asymmetric ligand geometries to achieve function, as well as the use of more canonical ligand geometries to achieve stability. De novo design has been used to explore how proteins fine-tune redox potentials and catalyse both oxidative and hydrolytic reactions. With an increased understanding of structure-function relationships, functional proteins including O2-dependent oxidases, fast hydrolases, and multi-proton/multi-electron reductases, have been created. In addition, proteins can now be designed using xeno-biological metals or cofactors and principles from inorganic chemistry to derive new-to-nature functions. These results and the advances in computational protein design suggest a bright future for the de novo design of diverse, functional metalloproteins.
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Affiliation(s)
- Matthew J. Chalkley
- Department of Pharmaceutical Chemistry and the Cardiovascular Research Institute, University of California at San Francisco, San Francisco, (CA), USA
| | - Samuel I. Mann
- Department of Pharmaceutical Chemistry and the Cardiovascular Research Institute, University of California at San Francisco, San Francisco, (CA), USA
| | - William F. DeGrado
- Department of Pharmaceutical Chemistry and the Cardiovascular Research Institute, University of California at San Francisco, San Francisco, (CA), USA
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14
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Artificial protein assemblies with well-defined supramolecular protein nanostructures. Biochem Soc Trans 2021; 49:2821-2830. [PMID: 34812854 DOI: 10.1042/bst20210808] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Revised: 10/28/2021] [Accepted: 11/02/2021] [Indexed: 12/13/2022]
Abstract
Nature uses a wide range of well-defined biomolecular assemblies in diverse cellular processes, where proteins are major building blocks for these supramolecular assemblies. Inspired by their natural counterparts, artificial protein-based assemblies have attracted strong interest as new bio-nanostructures, and strategies to construct ordered protein assemblies have been rapidly expanding. In this review, we provide an overview of very recent studies in the field of artificial protein assemblies, with the particular aim of introducing major assembly methods and unique features of these assemblies. Computational de novo designs were used to build various assemblies with artificial protein building blocks, which are unrelated to natural proteins. Small chemical ligands and metal ions have also been extensively used for strong and bio-orthogonal protein linking. Here, in addition to protein assemblies with well-defined sizes, protein oligomeric and array structures with rather undefined sizes (but with definite repeat protein assembly units) also will be discussed in the context of well-defined protein nanostructures. Lastly, we will introduce multiple examples showing how protein assemblies can be effectively used in various fields such as therapeutics and vaccine development. We believe that structures and functions of artificial protein assemblies will be continuously evolved, particularly according to specific application goals.
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15
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Zhu J, Avakyan N, Kakkis AA, Hoffnagle AM, Han K, Li Y, Zhang Z, Choi TS, Na Y, Yu CJ, Tezcan FA. Protein Assembly by Design. Chem Rev 2021; 121:13701-13796. [PMID: 34405992 PMCID: PMC9148388 DOI: 10.1021/acs.chemrev.1c00308] [Citation(s) in RCA: 107] [Impact Index Per Article: 35.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Proteins are nature's primary building blocks for the construction of sophisticated molecular machines and dynamic materials, ranging from protein complexes such as photosystem II and nitrogenase that drive biogeochemical cycles to cytoskeletal assemblies and muscle fibers for motion. Such natural systems have inspired extensive efforts in the rational design of artificial protein assemblies in the last two decades. As molecular building blocks, proteins are highly complex, in terms of both their three-dimensional structures and chemical compositions. To enable control over the self-assembly of such complex molecules, scientists have devised many creative strategies by combining tools and principles of experimental and computational biophysics, supramolecular chemistry, inorganic chemistry, materials science, and polymer chemistry, among others. Owing to these innovative strategies, what started as a purely structure-building exercise two decades ago has, in short order, led to artificial protein assemblies with unprecedented structures and functions and protein-based materials with unusual properties. Our goal in this review is to give an overview of this exciting and highly interdisciplinary area of research, first outlining the design strategies and tools that have been devised for controlling protein self-assembly, then describing the diverse structures of artificial protein assemblies, and finally highlighting the emergent properties and functions of these assemblies.
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Affiliation(s)
| | | | - Albert A. Kakkis
- Department of Chemistry and Biochemistry, University of California, San Diego, 9500 Gilman Drive, La Jolla, California 92093-0340, United States
| | - Alexander M. Hoffnagle
- Department of Chemistry and Biochemistry, University of California, San Diego, 9500 Gilman Drive, La Jolla, California 92093-0340, United States
| | - Kenneth Han
- Department of Chemistry and Biochemistry, University of California, San Diego, 9500 Gilman Drive, La Jolla, California 92093-0340, United States
| | - Yiying Li
- Department of Chemistry and Biochemistry, University of California, San Diego, 9500 Gilman Drive, La Jolla, California 92093-0340, United States
| | - Zhiyin Zhang
- Department of Chemistry and Biochemistry, University of California, San Diego, 9500 Gilman Drive, La Jolla, California 92093-0340, United States
| | - Tae Su Choi
- Department of Chemistry and Biochemistry, University of California, San Diego, 9500 Gilman Drive, La Jolla, California 92093-0340, United States
| | - Youjeong Na
- Department of Chemistry and Biochemistry, University of California, San Diego, 9500 Gilman Drive, La Jolla, California 92093-0340, United States
| | - Chung-Jui Yu
- Department of Chemistry and Biochemistry, University of California, San Diego, 9500 Gilman Drive, La Jolla, California 92093-0340, United States
| | - F. Akif Tezcan
- Department of Chemistry and Biochemistry, University of California, San Diego, 9500 Gilman Drive, La Jolla, California 92093-0340, United States
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16
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Zeng R, Lv C, Wang C, Zhao G. Bionanomaterials based on protein self-assembly: Design and applications in biotechnology. Biotechnol Adv 2021; 52:107835. [PMID: 34520791 DOI: 10.1016/j.biotechadv.2021.107835] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Revised: 09/06/2021] [Accepted: 09/08/2021] [Indexed: 01/13/2023]
Abstract
Elegant protein assembly to generate new biomaterials undergoes extremely rapid development for wide extension of biotechnology applications, which can be a powerful tool not only for creating nanomaterials but also for advancing understanding of the structure of life. Unique biological properties of proteins bestow these artificial biomaterials diverse functions that can permit them to be applied in encapsulation, bioimaging, biocatalysis, biosensors, photosynthetic apparatus, electron transport, magnetogenetic applications, vaccine development and antibodies design. This review gives a perspective view of the latest advances in the construction of protein-based nanomaterials. We initially start with distinguishable, specific interactions to construct sundry nanomaterials through protein self-assembly and concisely expound the assembly mechanism from the design strategy. And then, the design and construction of 0D, 1D, 2D, 3D protein assembled nanomaterials are especially highlighted. Furthermore, the potential applications have been discussed in detail. Overall, this review will illustrate how to fabricate highly sophisticated nanomaterials oriented toward applications in biotechnology based on the rules of supramolecular chemistry.
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Affiliation(s)
- Ruiqi Zeng
- College of Food Science & Nutritional Engineering, China Agricultural University, Key Laboratory of Functional Dairy, Ministry of Education, Beijing 100083, China
| | - Chenyan Lv
- College of Food Science & Nutritional Engineering, China Agricultural University, Key Laboratory of Functional Dairy, Ministry of Education, Beijing 100083, China
| | - Chengtao Wang
- Beijing Engineering and Technology Research Center of Food Additives, Beijing Technology & Business University, No. 11 Fucheng Road, Haidian District, Beijing 100048, China
| | - Guanghua Zhao
- College of Food Science & Nutritional Engineering, China Agricultural University, Key Laboratory of Functional Dairy, Ministry of Education, Beijing 100083, China.
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17
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Pachisia S, Gupta R. Supramolecular catalysis: the role of H-bonding interactions in substrate orientation and activation. Dalton Trans 2021; 50:14951-14966. [PMID: 34617524 DOI: 10.1039/d1dt02131a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Hydrogen bonding plays significant roles in various biological processes during substrate orientation and binding and therefore assists in assorted organic transformations. However, replicating the intricate selection of hydrogen bonds, as observed in nature, in synthetic complexes has met with only limited success. Despite this fact, recent times have seen the emergence of several notable examples where hydrogen bonds have been introduced in synthetic complexes. A few such examples have also illustrated the substantial role played by the hydrogen bonds in influencing and often controlling the catalytic outcome. This perspective presents selected examples illustrating the significance of hydrogen bonds offered by the coordination and the organometallic complexes that aid in providing the desired orientation to a substrate adjacent to a catalytic metal center and remarkably assisting in the catalysis.
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Affiliation(s)
- Sanya Pachisia
- Department of Chemistry, University of Delhi, Delhi - 110007, India.
| | - Rajeev Gupta
- Department of Chemistry, University of Delhi, Delhi - 110007, India.
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18
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Ebensperger P, Jessen-Trefzer C. Artificial metalloenzymes in a nutshell: the quartet for efficient catalysis. Biol Chem 2021; 403:403-412. [PMID: 34653321 DOI: 10.1515/hsz-2021-0329] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2021] [Accepted: 10/05/2021] [Indexed: 12/22/2022]
Abstract
Artificial metalloenzymes combine the inherent reactivity of transition metal catalysis with the sophisticated reaction control of natural enzymes. By providing new opportunities in bioorthogonal chemistry and biocatalysis, artificial metalloenzymes have the potential to overcome certain limitations in both drug discovery and green chemistry or related research fields. Ongoing advances in organometallic catalysis, directed evolution, and bioinformatics are enabling the design of increasingly powerful systems that outperform conventional catalysis in a growing number of cases. Therefore, this review article collects challenges and opportunities in designing artificial metalloenzymes described in recent review articles. This will provide an equitable insight for those new to and interested in the field.
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Affiliation(s)
- Paul Ebensperger
- Institute of Organic Chemistry, University of Freiburg, Albertstrasse 21, D-79104Freiburg i. Br., Germany
| | - Claudia Jessen-Trefzer
- Institute of Organic Chemistry, University of Freiburg, Albertstrasse 21, D-79104Freiburg i. Br., Germany
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19
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Encoding hierarchical assembly pathways of proteins with DNA. Proc Natl Acad Sci U S A 2021; 118:2106808118. [PMID: 34593642 DOI: 10.1073/pnas.2106808118] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/25/2021] [Indexed: 11/18/2022] Open
Abstract
The structural and functional diversity of materials in nature depends on the controlled assembly of discrete building blocks into complex architectures via specific, multistep, hierarchical assembly pathways. Achieving similar complexity in synthetic materials through hierarchical assembly is challenging due to difficulties with defining multiple recognition areas on synthetic building blocks and controlling the sequence through which those recognition sites direct assembly. Here, we show that we can exploit the chemical anisotropy of proteins and the programmability of DNA ligands to deliberately control the hierarchical assembly of protein-DNA materials. Through DNA sequence design, we introduce orthogonal DNA interactions with disparate interaction strengths ("strong" and "weak") onto specific geometric regions of a model protein, stable protein 1 (Sp1). We show that the spatial encoding of DNA ligands leads to highly directional assembly via strong interactions and that, by design, the first stage of assembly increases the multivalency of weak DNA-DNA interactions that give rise to an emergent second stage of assembly. Furthermore, we demonstrate that judicious DNA design not only directs assembly along a given pathway but can also direct distinct structural outcomes from a single pathway. This combination of protein surface and DNA sequence design allows us to encode the structural and chemical information necessary into building blocks to program their multistep hierarchical assembly. Our findings represent a strategy for controlling the hierarchical assembly of proteins to realize a diverse set of protein-DNA materials by design.
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20
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Chen G, Huang S, Shen Y, Kou X, Ma X, Huang S, Tong Q, Ma K, Chen W, Wang P, Shen J, Zhu F, Ouyang G. Protein-directed, hydrogen-bonded biohybrid framework. Chem 2021. [DOI: 10.1016/j.chempr.2021.07.003] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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21
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Lee JL, Ross DL, Barman SK, Ziller JW, Borovik AS. C-H Bond Cleavage by Bioinspired Nonheme Metal Complexes. Inorg Chem 2021; 60:13759-13783. [PMID: 34491738 DOI: 10.1021/acs.inorgchem.1c01754] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
The functionalization of C-H bonds is one of the most challenging transformations in synthetic chemistry. In biology, these processes are well-known and are achieved with a variety of metalloenzymes, many of which contain a single metal center within their active sites. The most well studied are those with Fe centers, and the emerging experimental data show that high-valent iron oxido species are the intermediates responsible for cleaving the C-H bond. This Forum Article describes the state of this field with an emphasis on nonheme Fe enzymes and current experimental results that provide insights into the properties that make these species capable of C-H bond cleavage. These parameters are also briefly considered in regard to manganese oxido complexes and Cu-containing metalloenzymes. Synthetic iron oxido complexes are discussed to highlight their utility as spectroscopic and mechanistic probes and reagents for C-H bond functionalization. Avenues for future research are also examined.
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Affiliation(s)
- Justin L Lee
- Department of Chemistry, University of California-Irvine, 1102 Natural Sciences II, Irvine, California 92697, United States
| | - Dolores L Ross
- Department of Chemistry, University of California-Irvine, 1102 Natural Sciences II, Irvine, California 92697, United States
| | - Suman K Barman
- Department of Chemistry, University of California-Irvine, 1102 Natural Sciences II, Irvine, California 92697, United States
| | - Joseph W Ziller
- Department of Chemistry, University of California-Irvine, 1102 Natural Sciences II, Irvine, California 92697, United States
| | - A S Borovik
- Department of Chemistry, University of California-Irvine, 1102 Natural Sciences II, Irvine, California 92697, United States
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22
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Subramanian RH, Zhu J, Bailey JB, Chiong JA, Li Y, Golub E, Tezcan FA. Design of metal-mediated protein assemblies via hydroxamic acid functionalities. Nat Protoc 2021; 16:3264-3297. [PMID: 34050338 DOI: 10.1038/s41596-021-00535-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2020] [Accepted: 03/15/2021] [Indexed: 02/05/2023]
Abstract
The self-assembly of proteins into sophisticated multicomponent assemblies is a hallmark of all living systems and has spawned extensive efforts in the construction of novel synthetic protein architectures with emergent functional properties. Protein assemblies in nature are formed via selective association of multiple protein surfaces through intricate noncovalent protein-protein interactions, a challenging task to accurately replicate in the de novo design of multiprotein systems. In this protocol, we describe the application of metal-coordinating hydroxamate (HA) motifs to direct the metal-mediated assembly of polyhedral protein architectures and 3D crystalline protein-metal-organic frameworks (protein-MOFs). This strategy has been implemented using an asymmetric cytochrome cb562 monomer through selective, concurrent association of Fe3+ and Zn2+ ions to form polyhedral cages. Furthermore, the use of ditopic HA linkers as bridging ligands with metal-binding protein nodes has allowed the construction of crystalline 3D protein-MOF lattices. The protocol is divided into two major sections: (1) the development of a Cys-reactive HA molecule for protein derivatization and self-assembly of protein-HA conjugates into polyhedral cages and (2) the synthesis of ditopic HA bridging ligands for the construction of ferritin-based protein-MOFs using symmetric metal-binding protein nodes. Protein cages are analyzed using analytical ultracentrifugation, transmission electron microscopy and single-crystal X-ray diffraction techniques. HA-mediated protein-MOFs are formed in sitting-drop vapor diffusion crystallization trays and are probed via single-crystal X-ray diffraction and multi-crystal small-angle X-ray scattering measurements. Ligand synthesis, construction of HA-mediated assemblies, and post-assembly analysis as described in this protocol can be performed by a graduate-level researcher within 6 weeks.
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Affiliation(s)
- Rohit H Subramanian
- Department of Chemistry and Biochemistry, University of California, San Diego, La Jolla, CA, USA
| | - Jie Zhu
- Department of Chemistry and Biochemistry, University of California, San Diego, La Jolla, CA, USA
| | - Jake B Bailey
- Department of Chemistry and Biochemistry, University of California, San Diego, La Jolla, CA, USA
| | - Jerika A Chiong
- Department of Chemistry and Biochemistry, University of California, San Diego, La Jolla, CA, USA
| | - Yiying Li
- Department of Chemistry and Biochemistry, University of California, San Diego, La Jolla, CA, USA
| | - Eyal Golub
- Department of Chemistry and Biochemistry, University of California, San Diego, La Jolla, CA, USA
| | - F Akif Tezcan
- Department of Chemistry and Biochemistry, University of California, San Diego, La Jolla, CA, USA. .,Materials Science and Engineering, University of California, San Diego, La Jolla, CA, USA.
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23
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Wang ST, Minevich B, Liu J, Zhang H, Nykypanchuk D, Byrnes J, Liu W, Bershadsky L, Liu Q, Wang T, Ren G, Gang O. Designed and biologically active protein lattices. Nat Commun 2021; 12:3702. [PMID: 34140491 PMCID: PMC8211860 DOI: 10.1038/s41467-021-23966-4] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2021] [Accepted: 05/13/2021] [Indexed: 01/13/2023] Open
Abstract
Versatile methods to organize proteins in space are required to enable complex biomaterials, engineered biomolecular scaffolds, cell-free biology, and hybrid nanoscale systems. Here, we demonstrate how the tailored encapsulation of proteins in DNA-based voxels can be combined with programmable assembly that directs these voxels into biologically functional protein arrays with prescribed and ordered two-dimensional (2D) and three-dimensional (3D) organizations. We apply the presented concept to ferritin, an iron storage protein, and its iron-free analog, apoferritin, in order to form single-layers, double-layers, as well as several types of 3D protein lattices. Our study demonstrates that internal voxel design and inter-voxel encoding can be effectively employed to create protein lattices with designed organization, as confirmed by in situ X-ray scattering and cryo-electron microscopy 3D imaging. The assembled protein arrays maintain structural stability and biological activity in environments relevant for protein functionality. The framework design of the arrays then allows small molecules to access the ferritins and their iron cores and convert them into apoferritin arrays through the release of iron ions. The presented study introduces a platform approach for creating bio-active protein-containing ordered nanomaterials with desired 2D and 3D organizations.
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Affiliation(s)
- Shih-Ting Wang
- Center for Functional Nanomaterials, Brookhaven National Laboratory, Upton, NY, USA
| | - Brian Minevich
- Department of Chemical Engineering, Columbia University, New York City, NY, USA
| | - Jianfang Liu
- The Molecular Foundry, Lawrence Berkeley National Laboratory, Berkeley, CA, USA
| | - Honghu Zhang
- Center for Functional Nanomaterials, Brookhaven National Laboratory, Upton, NY, USA
| | - Dmytro Nykypanchuk
- Center for Functional Nanomaterials, Brookhaven National Laboratory, Upton, NY, USA
| | - James Byrnes
- Energy Sciences Directorate/Photon Science Division, NSLS II, Brookhaven National Laboratory, Upton, NY, USA
| | - Wu Liu
- Biology Department, Brookhaven National Laboratory, Upton, NY, USA
| | - Lev Bershadsky
- Center for Functional Nanomaterials, Brookhaven National Laboratory, Upton, NY, USA
| | - Qun Liu
- Biology Department, Brookhaven National Laboratory, Upton, NY, USA
| | - Tong Wang
- Advanced Science Research Center at the Graduate Center of the City University of New York, New York City, NY, USA
| | - Gang Ren
- The Molecular Foundry, Lawrence Berkeley National Laboratory, Berkeley, CA, USA
| | - Oleg Gang
- Center for Functional Nanomaterials, Brookhaven National Laboratory, Upton, NY, USA.
- Department of Chemical Engineering, Columbia University, New York City, NY, USA.
- Department of Applied Physics and Applied Mathematics, Columbia University, New York, NY, USA.
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24
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Partridge BE, Winegar PH, Han Z, Mirkin CA. Redefining Protein Interfaces within Protein Single Crystals with DNA. J Am Chem Soc 2021; 143:8925-8934. [PMID: 34096291 PMCID: PMC8381744 DOI: 10.1021/jacs.1c04191] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Proteins are exquisite nanoscale building blocks: molecularly pure, chemically addressable, and inherently selective for their evolved function. The organization of proteins into single crystals with high positional, orientational, and translational order results in materials where the location of every atom can be known. However, controlling the organization of proteins is challenging due to the myriad interactions that define protein interfaces within native single crystals. Recently, we discovered that introducing a single DNA-DNA interaction between protein surfaces leads to changes in the packing of proteins within single crystals and the protein-protein interactions (PPIs) that arise. However, modifying specific PPIs to effect deliberate changes to protein packing is an unmet challenge. In this work, we hypothesized that disrupting and replacing a highly conserved PPI with a DNA-DNA interaction would enable protein packing to be modulated by exploiting the programmability of the introduced oligonucleotides. Using concanavalin A (ConA) as a model protein, we circumvent potentially deleterious mutagenesis and exploit the selective binding of ConA toward mannose to noncovalently attach DNA to the protein surface. We show that DNA association eliminates the major PPI responsible for crystallization of native ConA, thereby allowing subtle changes to DNA design (length, complementarity, and attachment position) to program distinct changes to ConA packing, including the realization of three novel crystal structures and the deliberate expansion of ConA packing along a single crystallographic axis. These findings significantly enhance our understanding of how DNA can supersede native PPIs to program protein packing within ordered materials.
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Affiliation(s)
- Benjamin E Partridge
- Department of Chemistry and International Institute for Nanotechnology, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Peter H Winegar
- Department of Chemistry and International Institute for Nanotechnology, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Zhenyu Han
- Department of Chemistry and International Institute for Nanotechnology, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Chad A Mirkin
- Department of Chemistry and International Institute for Nanotechnology, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
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25
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Zhang S, Chen J, Liu J, Pyles H, Baker D, Chen CL, De Yoreo JJ. Engineering Biomolecular Self-Assembly at Solid-Liquid Interfaces. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2021; 33:e1905784. [PMID: 32627885 DOI: 10.1002/adma.201905784] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/05/2019] [Revised: 04/02/2020] [Accepted: 04/16/2020] [Indexed: 06/11/2023]
Abstract
Biomolecular self-assembly is a key process used by life to build functional materials from the "bottom up." In the last few decades, bioengineering and bionanotechnology have borrowed this strategy to design and synthesize numerous biomolecular and hybrid materials with diverse architectures and properties. However, engineering biomolecular self-assembly at solid-liquid interfaces into predesigned architectures lags the progress made in bulk solution both in practice and theory. Here, recent achievements in programming self-assembly of peptides, proteins, and peptoids at solid-liquid interfaces are summarized and corresponding applications are described. Recent advances in the physical understandings of self-assembly pathways obtained using in situ atomic force microscopy are also discussed. These advances will lead to novel strategies for designing biomaterials organized at and interfaced with inorganic surfaces.
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Affiliation(s)
- Shuai Zhang
- Department of Materials Science and Engineering, University of Washington, Seattle, WA, 98105, USA
- Physical Sciences Division, Physical and Computational Sciences Directorate, Pacific Northwest National Laboratory, Richland, WA, 99352, USA
| | - Jiajun Chen
- Department of Materials Science and Engineering, University of Washington, Seattle, WA, 98105, USA
- Physical Sciences Division, Physical and Computational Sciences Directorate, Pacific Northwest National Laboratory, Richland, WA, 99352, USA
| | - Jianli Liu
- Physical Sciences Division, Physical and Computational Sciences Directorate, Pacific Northwest National Laboratory, Richland, WA, 99352, USA
- School of Materials Science and Engineering, Dongguan University of Technology, Dongguan, Guangdong, 523830, China
| | - Harley Pyles
- Department of Biochemistry, University of Washington, Seattle, WA, 98195, USA
- Institute for Protein Design, University of Washington, Seattle, WA, 98195, USA
| | - David Baker
- Department of Biochemistry, University of Washington, Seattle, WA, 98195, USA
- Institute for Protein Design, University of Washington, Seattle, WA, 98195, USA
- Howard Hughes Medical Institute, University of Washington, Seattle, WA, 98195, USA
| | - Chun-Long Chen
- Physical Sciences Division, Physical and Computational Sciences Directorate, Pacific Northwest National Laboratory, Richland, WA, 99352, USA
- Department of Chemical Engineering, University of Washington, Seattle, WA, 98195, USA
| | - James J De Yoreo
- Department of Materials Science and Engineering, University of Washington, Seattle, WA, 98105, USA
- Physical Sciences Division, Physical and Computational Sciences Directorate, Pacific Northwest National Laboratory, Richland, WA, 99352, USA
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26
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Pullen S, Tessarolo J, Clever GH. Increasing structural and functional complexity in self-assembled coordination cages. Chem Sci 2021; 12:7269-7293. [PMID: 34163819 PMCID: PMC8171321 DOI: 10.1039/d1sc01226f] [Citation(s) in RCA: 162] [Impact Index Per Article: 54.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Accepted: 04/26/2021] [Indexed: 12/18/2022] Open
Abstract
Progress in metallo-supramolecular chemistry creates potential to synthesize functional nano systems and intelligent materials of increasing complexity. In the past four decades, metal-mediated self-assembly has produced a wide range of structural motifs such as helicates, grids, links, knots, spheres and cages, with particularly the latter ones catching growing attention, owing to their nano-scale cavities. Assemblies serving as hosts allow application as selective receptors, confined reaction environments and more. Recently, the field has made big steps forward by implementing dedicated functionality, e.g. catalytic centres or photoswitches to allow stimuli control. Besides incorporation in homoleptic systems, composed of one type of ligand, desire arose to include more than one function within the same assembly. Inspiration comes from natural enzymes that congregate, for example, a substrate recognition site, an allosteric regulator element and a reaction centre. Combining several functionalities without creating statistical mixtures, however, requires a toolbox of sophisticated assembly strategies. This review showcases the implementation of function into self-assembled cages and devises strategies to selectively form heteroleptic structures. We discuss first examples resulting from a combination of both principles, namely multicomponent multifunctional host-guest complexes, and their potential in application in areas such as sensing, catalysis, and photo-redox systems.
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Affiliation(s)
- Sonja Pullen
- Department of Chemistry and Chemical Biology, TU Dortmund University Otto-Hahn-Straße 6 44227 Dortmund Germany
- Homogeneous, Supramolecular and Bio-Inspired Catalysis, Van't Hoff Institute for Molecular Sciences, University of Amsterdam Science Park 904 1098 XH Amsterdam The Netherlands
| | - Jacopo Tessarolo
- Department of Chemistry and Chemical Biology, TU Dortmund University Otto-Hahn-Straße 6 44227 Dortmund Germany
| | - Guido H Clever
- Department of Chemistry and Chemical Biology, TU Dortmund University Otto-Hahn-Straße 6 44227 Dortmund Germany
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27
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Biggs GS, Klein OJ, Maslen SL, Skehel JM, Rutherford TJ, Freund SMV, Hollfelder F, Boss SR, Barker PD. Controlled Ligand Exchange Between Ruthenium Organometallic Cofactor Precursors and a Naïve Protein Scaffold Generates Artificial Metalloenzymes Catalysing Transfer Hydrogenation. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202015834] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- George S. Biggs
- Department of Chemistry University of Cambridge Lensfield Road Cambridge CB2 1EW UK
| | - Oskar James Klein
- Department of Chemistry University of Cambridge Lensfield Road Cambridge CB2 1EW UK
- Department of Biochemistry University of Cambridge Tennis Court Road Cambridge CB2 1GA UK
| | - Sarah L. Maslen
- MRC Laboratory of Molecular Biology Francis Crick Avenue, Cambridge Biomedical Campus Cambridge CB2 0QH UK
| | - J. Mark Skehel
- MRC Laboratory of Molecular Biology Francis Crick Avenue, Cambridge Biomedical Campus Cambridge CB2 0QH UK
| | - Trevor J. Rutherford
- MRC Laboratory of Molecular Biology Francis Crick Avenue, Cambridge Biomedical Campus Cambridge CB2 0QH UK
| | - Stefan M. V. Freund
- MRC Laboratory of Molecular Biology Francis Crick Avenue, Cambridge Biomedical Campus Cambridge CB2 0QH UK
| | - Florian Hollfelder
- Department of Biochemistry University of Cambridge Tennis Court Road Cambridge CB2 1GA UK
| | - Sally R. Boss
- Department of Chemistry University of Cambridge Lensfield Road Cambridge CB2 1EW UK
| | - Paul D. Barker
- Department of Chemistry University of Cambridge Lensfield Road Cambridge CB2 1EW UK
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28
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Biggs GS, Klein OJ, Maslen SL, Skehel JM, Rutherford TJ, Freund SMV, Hollfelder F, Boss SR, Barker PD. Controlled Ligand Exchange Between Ruthenium Organometallic Cofactor Precursors and a Naïve Protein Scaffold Generates Artificial Metalloenzymes Catalysing Transfer Hydrogenation. Angew Chem Int Ed Engl 2021; 60:10919-10927. [PMID: 33616271 PMCID: PMC8251807 DOI: 10.1002/anie.202015834] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2020] [Indexed: 11/05/2022]
Abstract
Many natural metalloenzymes assemble from proteins and biosynthesised complexes, generating potent catalysts by changing metal coordination. Here we adopt the same strategy to generate artificial metalloenzymes (ArMs) using ligand exchange to unmask catalytic activity. By systematically testing RuII (η6 -arene)(bipyridine) complexes designed to facilitate the displacement of functionalised bipyridines, we develop a fast and robust procedure for generating new enzymes via ligand exchange in a protein that has not evolved to bind such a complex. The resulting metal cofactors form peptidic coordination bonds but also retain a non-biological ligand. Tandem mass spectrometry and 19 F NMR spectroscopy were used to characterise the organometallic cofactors and identify the protein-derived ligands. By introduction of ruthenium cofactors into a 4-helical bundle, transfer hydrogenation catalysts were generated that displayed a 35-fold rate increase when compared to the respective small molecule reaction in solution.
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Affiliation(s)
- George S. Biggs
- Department of ChemistryUniversity of CambridgeLensfield RoadCambridgeCB2 1EWUK
| | - Oskar James Klein
- Department of ChemistryUniversity of CambridgeLensfield RoadCambridgeCB2 1EWUK
- Department of BiochemistryUniversity of CambridgeTennis Court RoadCambridgeCB2 1GAUK
| | - Sarah L. Maslen
- MRC Laboratory of Molecular BiologyFrancis Crick Avenue, Cambridge Biomedical CampusCambridgeCB2 0QHUK
| | - J. Mark Skehel
- MRC Laboratory of Molecular BiologyFrancis Crick Avenue, Cambridge Biomedical CampusCambridgeCB2 0QHUK
| | - Trevor J. Rutherford
- MRC Laboratory of Molecular BiologyFrancis Crick Avenue, Cambridge Biomedical CampusCambridgeCB2 0QHUK
| | - Stefan M. V. Freund
- MRC Laboratory of Molecular BiologyFrancis Crick Avenue, Cambridge Biomedical CampusCambridgeCB2 0QHUK
| | - Florian Hollfelder
- Department of BiochemistryUniversity of CambridgeTennis Court RoadCambridgeCB2 1GAUK
| | - Sally R. Boss
- Department of ChemistryUniversity of CambridgeLensfield RoadCambridgeCB2 1EWUK
| | - Paul D. Barker
- Department of ChemistryUniversity of CambridgeLensfield RoadCambridgeCB2 1EWUK
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29
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Markel U, Sauer DF, Wittwer M, Schiffels J, Cui H, Davari MD, Kröckert KW, Herres-Pawlis S, Okuda J, Schwaneberg U. Chemogenetic Evolution of a Peroxidase-like Artificial Metalloenzyme. ACS Catal 2021. [DOI: 10.1021/acscatal.1c00134] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Ulrich Markel
- Institute of Biotechnology, RWTH Aachen University, Worringerweg 3, 52074 Aachen, Germany
| | - Daniel F. Sauer
- Institute of Biotechnology, RWTH Aachen University, Worringerweg 3, 52074 Aachen, Germany
| | - Malte Wittwer
- Institute of Biotechnology, RWTH Aachen University, Worringerweg 3, 52074 Aachen, Germany
| | - Johannes Schiffels
- Institute of Biotechnology, RWTH Aachen University, Worringerweg 3, 52074 Aachen, Germany
| | - Haiyang Cui
- Institute of Biotechnology, RWTH Aachen University, Worringerweg 3, 52074 Aachen, Germany
| | - Mehdi D. Davari
- Institute of Biotechnology, RWTH Aachen University, Worringerweg 3, 52074 Aachen, Germany
| | - Konstantin W. Kröckert
- Institute of Inorganic Chemistry, RWTH Aachen University, Landoltweg 1, 52056 Aachen, Germany
| | - Sonja Herres-Pawlis
- Institute of Inorganic Chemistry, RWTH Aachen University, Landoltweg 1, 52056 Aachen, Germany
| | - Jun Okuda
- Institute of Inorganic Chemistry, RWTH Aachen University, Landoltweg 1, 52056 Aachen, Germany
| | - Ulrich Schwaneberg
- Institute of Biotechnology, RWTH Aachen University, Worringerweg 3, 52074 Aachen, Germany
- DWI—Leibniz Institute for Interactive Materials, Forckenbeckstraße 50, 52074 Aachen, Germany
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30
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Subramanian RH, Suzuki Y, Tallorin L, Sahu S, Thompson M, Gianneschi NC, Burkart MD, Tezcan FA. Enzyme-Directed Functionalization of Designed, Two-Dimensional Protein Lattices. Biochemistry 2021; 60:1050-1062. [PMID: 32706243 PMCID: PMC7855359 DOI: 10.1021/acs.biochem.0c00363] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
The design and construction of crystalline protein arrays to selectively assemble ordered nanoscale materials have potential applications in sensing, catalysis, and medicine. Whereas numerous designs have been implemented for the bottom-up construction of protein assemblies, the generation of artificial functional materials has been relatively unexplored. Enzyme-directed post-translational modifications are responsible for the functional diversity of the proteome and, thus, could be harnessed to selectively modify artificial protein assemblies. In this study, we describe the use of phosphopantetheinyl transferases (PPTases), a class of enzymes that covalently modify proteins using coenzyme A (CoA), to site-selectively tailor the surface of designed, two-dimensional (2D) protein crystals. We demonstrate that a short peptide (ybbR) or a molecular tag (CoA) can be covalently tethered to 2D arrays to enable enzymatic functionalization using Sfp PPTase. The site-specific modification of two different protein array platforms is facilitated by PPTases to afford both small molecule- and protein-functionalized surfaces with no loss of crystalline order. This work highlights the potential for chemoenzymatic modification of large protein surfaces toward the generation of sophisticated protein platforms reminiscent of the complex landscape of cell surfaces.
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Affiliation(s)
- Rohit H. Subramanian
- Department of Chemistry and Biochemistry, University of California, San Diego, La Jolla, CA, USA
| | - Yuta Suzuki
- Department of Chemistry and Biochemistry, University of California, San Diego, La Jolla, CA, USA
- Current address: Hakubi Center for Advanced Research, Kyoto University, Yoshida-honmachi, Sakyo-ku, Kyoto, Japan, 606-8501
| | - Lorillee Tallorin
- Department of Chemistry and Biochemistry, University of California, San Diego, La Jolla, CA, USA
| | - Swagat Sahu
- Department of Chemistry and Biochemistry, University of California, San Diego, La Jolla, CA, USA
| | - Matthew Thompson
- Department of Chemistry and Biochemistry, University of California, San Diego, La Jolla, CA, USA
- Departments of Chemistry, Materials Science & Engineering, Biomedical Engineering, Chemistry of Life Processes Institute, International Institute for Nanotechnology, Simpson Querrey Institute, Northwestern University, Evanston, Illinois 60208, USA
| | - Nathan C. Gianneschi
- Department of Chemistry and Biochemistry, University of California, San Diego, La Jolla, CA, USA
- Departments of Chemistry, Materials Science & Engineering, Biomedical Engineering, Chemistry of Life Processes Institute, International Institute for Nanotechnology, Simpson Querrey Institute, Northwestern University, Evanston, Illinois 60208, USA
| | - Michael D. Burkart
- Department of Chemistry and Biochemistry, University of California, San Diego, La Jolla, CA, USA
| | - F. Akif Tezcan
- Department of Chemistry and Biochemistry, University of California, San Diego, La Jolla, CA, USA
- Materials Science and Engineering, University of California, San Diego, La Jolla, CA, USA
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31
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Dey S, Misra R, Saseendran A, Pahan S, Gopi HN. Metal‐Coordinated Supramolecular Polymers from the Minimalistic Hybrid Peptide Foldamers. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202015838] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Sanjit Dey
- Department of Chemistry Indian Institute of Science Education and Research (IISER), Pune Dr. Homi Bhabha Road Pune 411008 India
| | - Rajkumar Misra
- Department of Chemistry Indian Institute of Science Education and Research (IISER), Pune Dr. Homi Bhabha Road Pune 411008 India
| | - Abhijith Saseendran
- Department of Chemistry Indian Institute of Science Education and Research (IISER), Pune Dr. Homi Bhabha Road Pune 411008 India
| | - Saikat Pahan
- Department of Chemistry Indian Institute of Science Education and Research (IISER), Pune Dr. Homi Bhabha Road Pune 411008 India
| | - Hosahudya N. Gopi
- Department of Chemistry Indian Institute of Science Education and Research (IISER), Pune Dr. Homi Bhabha Road Pune 411008 India
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32
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Dey S, Misra R, Saseendran A, Pahan S, Gopi HN. Metal‐Coordinated Supramolecular Polymers from the Minimalistic Hybrid Peptide Foldamers. Angew Chem Int Ed Engl 2021; 60:9863-9868. [DOI: 10.1002/anie.202015838] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2020] [Revised: 01/19/2021] [Indexed: 11/11/2022]
Affiliation(s)
- Sanjit Dey
- Department of Chemistry Indian Institute of Science Education and Research (IISER), Pune Dr. Homi Bhabha Road Pune 411008 India
| | - Rajkumar Misra
- Department of Chemistry Indian Institute of Science Education and Research (IISER), Pune Dr. Homi Bhabha Road Pune 411008 India
| | - Abhijith Saseendran
- Department of Chemistry Indian Institute of Science Education and Research (IISER), Pune Dr. Homi Bhabha Road Pune 411008 India
| | - Saikat Pahan
- Department of Chemistry Indian Institute of Science Education and Research (IISER), Pune Dr. Homi Bhabha Road Pune 411008 India
| | - Hosahudya N. Gopi
- Department of Chemistry Indian Institute of Science Education and Research (IISER), Pune Dr. Homi Bhabha Road Pune 411008 India
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33
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Klein AS, Zeymer C. Design and engineering of artificial metalloproteins: from de novo metal coordination to catalysis. Protein Eng Des Sel 2021; 34:6150309. [PMID: 33635315 DOI: 10.1093/protein/gzab003] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2020] [Revised: 01/15/2021] [Accepted: 01/19/2021] [Indexed: 11/13/2022] Open
Abstract
Metalloproteins are essential to sustain life. Natural evolution optimized them for intricate structural, regulatory and catalytic functions that cannot be fulfilled by either a protein or a metal ion alone. In order to understand this synergy and the complex design principles behind the natural systems, simpler mimics were engineered from the bottom up by installing de novo metal sites in either natural or fully designed, artificial protein scaffolds. This review focuses on key challenges associated with this approach. We discuss how proteins can be equipped with binding sites that provide an optimal coordination environment for a metal cofactor of choice, which can be a single metal ion or a complex multinuclear cluster. Furthermore, we highlight recent studies in which artificial metalloproteins were engineered towards new functions, including electron transfer and catalysis. In this context, the powerful combination of de novo protein design and directed evolution is emphasized for metalloenzyme development.
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Affiliation(s)
- Andreas S Klein
- Department of Chemistry, Technische Universität München, 85747 Garching, Germany
| | - Cathleen Zeymer
- Department of Chemistry, Technische Universität München, 85747 Garching, Germany
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34
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Miller KR, Biswas S, Jasniewski A, Follmer AH, Biswas A, Albert T, Sabuncu S, Bominaar EL, Hendrich MP, Moënne-Loccoz P, Borovik AS. Artificial Metalloproteins with Dinuclear Iron-Hydroxido Centers. J Am Chem Soc 2021; 143:2384-2393. [PMID: 33528256 DOI: 10.1021/jacs.0c12564] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Dinuclear iron centers with a bridging hydroxido or oxido ligand form active sites within a variety of metalloproteins. A key feature of these sites is the ability of the protein to control the structures around the Fe centers, which leads to entatic states that are essential for function. To simulate this controlled environment, artificial proteins have been engineered using biotin-streptavidin (Sav) technology in which Fe complexes from adjacent subunits can assemble to form [FeIII-(μ-OH)-FeIII] cores. The assembly process is promoted by the site-specific localization of the Fe complexes within a subunit through the designed mutation of a tyrosinate side chain to coordinate the Fe centers. An important outcome is that the Sav host can regulate the Fe···Fe separation, which is known to be important for function in natural metalloproteins. Spectroscopic and structural studies from X-ray diffraction methods revealed uncommonly long Fe···Fe separations that change by less than 0.3 Å upon the binding of additional bridging ligands. The structural constraints imposed by the protein host on the di-Fe cores are unique and create examples of active sites having entatic states within engineered artificial metalloproteins.
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Affiliation(s)
- Kelsey R Miller
- Department of Chemistry, 1102 Natural Sciences II, University of California, Irvine, California 92697, United States
| | - Saborni Biswas
- Department of Chemistry, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, Pennsylvania 15213, United States
| | - Andrew Jasniewski
- Department of Molecular Biology and Biochemistry, University of California, Irvine, California 92697, United States
| | - Alec H Follmer
- Department of Chemistry, 1102 Natural Sciences II, University of California, Irvine, California 92697, United States
| | - Ankita Biswas
- Department of Chemistry, 1102 Natural Sciences II, University of California, Irvine, California 92697, United States
| | - Therese Albert
- Department of Biochemistry and Molecular Biology, Oregon Health & Science University, Mail Code HRC3, 3181 SW Sam Jackson Park Road, Portland, Oregon 97239, United States
| | - Sinan Sabuncu
- Department of Biochemistry and Molecular Biology, Oregon Health & Science University, Mail Code HRC3, 3181 SW Sam Jackson Park Road, Portland, Oregon 97239, United States
| | - Emile L Bominaar
- Department of Chemistry, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, Pennsylvania 15213, United States
| | - Michael P Hendrich
- Department of Chemistry, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, Pennsylvania 15213, United States
| | - Pierre Moënne-Loccoz
- Department of Biochemistry and Molecular Biology, Oregon Health & Science University, Mail Code HRC3, 3181 SW Sam Jackson Park Road, Portland, Oregon 97239, United States
| | - A S Borovik
- Department of Chemistry, 1102 Natural Sciences II, University of California, Irvine, California 92697, United States
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35
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Maglio O, Chino M, Vicari C, Pavone V, Louro RO, Lombardi A. Histidine orientation in artificial peroxidase regioisomers as determined by paramagnetic NMR shifts. Chem Commun (Camb) 2021; 57:990-993. [PMID: 33399143 DOI: 10.1039/d0cc06676a] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Fe-Mimochrome VI*a is a synthetic peroxidase and peroxygenase, featuring two different peptides that are covalently-linked to deuteroheme. To perform a systematic structure/function correlation, we purposely shortened the distance between the distal peptide and the heme, allowing for the separation and characterization of two regioisomers. They differ in both His axial-ligand orientation, as determined by paramagnetic NMR shifts, and activity. These findings highlight that synthetic metalloenzymes may provide an efficient tool for disentangling the role of axial ligand orientation over peroxidase activity.
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Affiliation(s)
- Ornella Maglio
- Department of Chemical Sciences, University Federico II of Naples, Via Cintia 21, Naples, 80126, Italy. and IBB-CNR, Via Mezzocannone 16, Naples, 80134, Italy
| | - Marco Chino
- Department of Chemical Sciences, University Federico II of Naples, Via Cintia 21, Naples, 80126, Italy.
| | - Claudia Vicari
- Department of Chemical Sciences, University Federico II of Naples, Via Cintia 21, Naples, 80126, Italy.
| | - Vincenzo Pavone
- Department of Chemical Sciences, University Federico II of Naples, Via Cintia 21, Naples, 80126, Italy.
| | - Ricardo O Louro
- ITQB-UNL, Av. da Republica (EAN), Oeiras 2780-157, Portugal.
| | - Angela Lombardi
- Department of Chemical Sciences, University Federico II of Naples, Via Cintia 21, Naples, 80126, Italy.
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36
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Wang H, Xu Z, Li Q, Wu J. Application of metal-based biomaterials in wound repair. ENGINEERED REGENERATION 2021. [DOI: 10.1016/j.engreg.2021.09.005] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
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37
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Kato M, Foley B, Vu J, Huynh M, Lucero K, Harmon C, Cheruzel L. Promoting P450 BM3 heme domain dimerization with a tris(5-iodoacetamido-1,10-phenanthroline)Ru(II) complex. Biotechnol Appl Biochem 2020; 67:536-540. [PMID: 33376255 DOI: 10.1002/bab.1970] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Protein dimerization often occurs in many biological systems as to provide structural and functional advantages. A tris(5-iodoacetamido-1,10-phenanthroline)Ruthenium(II) complex was shown to promote the covalent dimerization of a P450 BM3 heme domain mutant containing a surface exposed non-native single cysteine residue. The formation of homodimeric species was confirmed by protein gel electrophoresis, mass spectrometry and UV-Vis spectroscopy. The dimeric species could be separated from the monomer and aggregates by size-exclusion chromatography. Docking simulation reveals a plausible structure with two proteins covalently conjugated to the inorganic compound.
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Affiliation(s)
- Mallory Kato
- San José State University, Department of Chemistry, One Washington Square, San José, CA 95192-0101
| | - Bridget Foley
- San José State University, Department of Chemistry, One Washington Square, San José, CA 95192-0101
| | - Julia Vu
- San José State University, Department of Chemistry, One Washington Square, San José, CA 95192-0101
| | - Michael Huynh
- San José State University, Department of Chemistry, One Washington Square, San José, CA 95192-0101
| | - Kathreena Lucero
- San José State University, Department of Chemistry, One Washington Square, San José, CA 95192-0101
| | - Caroline Harmon
- San José State University, Department of Chemistry, One Washington Square, San José, CA 95192-0101
| | - Lionel Cheruzel
- San José State University, Department of Chemistry, One Washington Square, San José, CA 95192-0101
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38
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Adachi R, Suzuki S, Mitsuda T, Morita Y, Komatsu T. Supramolecular linear coordination polymers of human serum albumin and haemoglobin. Chem Commun (Camb) 2020; 56:15585-15588. [PMID: 33245310 DOI: 10.1039/d0cc07167f] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
We describe the synthesis, structure, and functionalities of water-soluble linear coordination polymers of human serum albumin and haemoglobin, which are connected via a bis(terpyridyl)-Fe2+ complex. These protein fibres were self-assembled by lyophilisation and were transformed into single-wall nanotubes. The biological activities of the protein units were perfectly preserved in the long fibres.
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Affiliation(s)
- Ryo Adachi
- Department of Applied Chemistry, Faculty of Science and Engineering, Chuo University, 1-13-27 Kasuga, Bunkyo-ku, Tokyo 112-8551, Japan.
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39
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Han S, Kim YN, Jo G, Kim YE, Kim HM, Choi JM, Jung Y. Multivalent-Interaction-Driven Assembly of Discrete, Flexible, and Asymmetric Supramolecular Protein Nano-Prisms. Angew Chem Int Ed Engl 2020; 59:23244-23251. [PMID: 32856385 DOI: 10.1002/anie.202010054] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Indexed: 12/25/2022]
Abstract
Current approaches to design monodisperse protein assemblies require rigid, tight, and symmetric interactions between oligomeric protein units. Herein, we introduce a new multivalent-interaction-driven assembly strategy that allows flexible, spaced, and asymmetric assembly between protein oligomers. We discovered that two polygonal protein oligomers (ranging from triangle to hexagon) dominantly form a discrete and stable two-layered protein prism nanostructure via multivalent interactions between fused binding pairs. We demonstrated that protein nano-prisms with long flexible peptide linkers (over 80 amino acids) between protein oligomer layers could be discretely formed. Oligomers with different structures could also be monodispersely assembled into two-layered but asymmetric protein nano-prisms. Furthermore, producing higher-order architectures with multiple oligomer layers, for example, 3-layered nano-prisms or nanotubes, was also feasible.
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Affiliation(s)
- Suyeong Han
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, 34141, Korea
| | - Yu-Na Kim
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, 34141, Korea
| | - Gyunghee Jo
- Biomedical Science and Engineering Interdisciplinary Program, KAIST, Daejeon, 34141, Korea
| | - Young Eun Kim
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, 34141, Korea
| | - Ho Min Kim
- Graduate School of Medical Science & Engineering, KAIST, Daejeon, 34141, Korea.,Center for Biomolecular & Cellular Structure, Institute for Basic Science (IBS), Daejeon, 34126, Korea
| | - Jeong-Mo Choi
- Natural Science Research Institute, KAIST, Daejeon, 34141, Korea.,Department of Chemistry, Busan National University, Busan, 46241, Korea
| | - Yongwon Jung
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, 34141, Korea
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40
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Han S, Kim Y, Jo G, Kim YE, Kim HM, Choi J, Jung Y. Multivalent‐Interaction‐Driven Assembly of Discrete, Flexible, and Asymmetric Supramolecular Protein Nano‐Prisms. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202010054] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Suyeong Han
- Department of Chemistry Korea Advanced Institute of Science and Technology (KAIST) Daejeon 34141 Korea
| | - Yu‐na Kim
- Department of Chemistry Korea Advanced Institute of Science and Technology (KAIST) Daejeon 34141 Korea
| | - Gyunghee Jo
- Biomedical Science and Engineering Interdisciplinary Program KAIST Daejeon 34141 Korea
| | - Young Eun Kim
- Department of Chemistry Korea Advanced Institute of Science and Technology (KAIST) Daejeon 34141 Korea
| | - Ho Min Kim
- Graduate School of Medical Science & Engineering KAIST Daejeon 34141 Korea
- Center for Biomolecular & Cellular Structure Institute for Basic Science (IBS) Daejeon 34126 Korea
| | - Jeong‐Mo Choi
- Natural Science Research Institute KAIST Daejeon 34141 Korea
- Department of Chemistry Busan National University Busan 46241 Korea
| | - Yongwon Jung
- Department of Chemistry Korea Advanced Institute of Science and Technology (KAIST) Daejeon 34141 Korea
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41
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Eidenschenk C, Cheruzel L. Ru(II)-diimine complexes and cytochrome P450 working hand-in-hand. J Inorg Biochem 2020; 213:111254. [PMID: 32979791 PMCID: PMC7686262 DOI: 10.1016/j.jinorgbio.2020.111254] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2020] [Revised: 08/19/2020] [Accepted: 09/06/2020] [Indexed: 10/23/2022]
Abstract
With a growing interest in utilizing visible light to drive biocatalytic processes, several light-harvesting units and approaches have been employed to harness the synthetic potential of heme monooxygenases and carry out selective oxyfunctionalization of a wide range of substrates. While the fields of cytochrome P450 and Ru(II) photochemistry have separately been prolific, it is not until the turn of the 21st century that they converged. Non-covalent and subsequently covalently attached Ru(II) complexes were used to promote rapid intramolecular electron transfer in bacterial P450 enzymes. Photocatalytic activity with Ru(II)-modified P450 enzymes was achieved under reductive conditions with a judicious choice of a sacrificial electron donor. The initial concept of Ru(II)-modified P450 enzymes was further improved using protein engineering, photosensitizer functionalization and was successfully applied to other P450 enzymes. In this review, we wish to present the recent contributions from our group and others in utilizing Ru(II) complexes coupled with P450 enzymes in the broad context of photobiocatalysis, protein assemblies and chemoenzymatic reactions. The merging of chemical catalysts with the synthetic potential of P450 enzymes has led to the development of several chemoenzymatic approaches. Moreover, strained Ru(II) compounds have been shown to selectively inhibit P450 enzymes by releasing aromatic heterocycle containing molecules upon visible light excitation taking advantage of the rapid ligand loss feature in those complexes.
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Affiliation(s)
- Celine Eidenschenk
- Department Biochemical and Cellular Pharmacology, Genentech, One DNA Way, South San Francisco, CA 94080, USA
| | - Lionel Cheruzel
- San José State University, Department of Chemistry, One Washington Square, San José, CA 95192-0101, USA.
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42
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Kakkis A, Gagnon D, Esselborn J, Britt RD, Tezcan FA. Metal‐Templated Design of Chemically Switchable Protein Assemblies with High‐Affinity Coordination Sites. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202009226] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Albert Kakkis
- Department of Chemistry and Biochemistry University of California, San Diego 9500 Gilman Drive La Jolla CA 92093 USA
| | - Derek Gagnon
- Department of Chemistry and Biochemistry University of California, San Diego 9500 Gilman Drive La Jolla CA 92093 USA
| | - Julian Esselborn
- Department of Chemistry and Biochemistry University of California, San Diego 9500 Gilman Drive La Jolla CA 92093 USA
| | - R. David Britt
- Department of Chemistry University of California, Davis 1 Shields Avenue Davis CA 95616 USA
| | - F. Akif Tezcan
- Department of Chemistry and Biochemistry University of California, San Diego 9500 Gilman Drive La Jolla CA 92093 USA
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43
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Bailey JB, Tezcan FA. Tunable and Cooperative Thermomechanical Properties of Protein-Metal-Organic Frameworks. J Am Chem Soc 2020; 142:17265-17270. [PMID: 32972136 DOI: 10.1021/jacs.0c07835] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
We recently introduced protein-metal-organic frameworks (protein-MOFs) as chemically designed protein crystals, composed of ferritin nodes that predictably assemble into 3D lattices upon coordination of various metal ions and ditopic, hydroxamate-based linkers. Owing to their unique tripartite construction, protein-MOFs possess extremely sparse lattice connectivity, suggesting that they might display unusual thermomechanical properties. Leveraging the synthetic modularity of ferritin-MOFs, we investigated the temperature-dependent structural dynamics of six distinct frameworks. Our results show that the thermostabilities of ferritin-MOFs can be tuned through the metal component or the presence of crowding agents. Our studies also reveal a framework that undergoes a reversible and isotropic first-order phase transition near-room temperature, corresponding to a 4% volumetric change within 1 °C and a hysteresis window of ∼10 °C. This highly cooperative crystal-to-crystal transformation, which stems from the soft crystallinity of ferritin-MOFs, illustrates the advantage of modular construction strategies in discovering tunable-and unpredictable-material properties.
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Affiliation(s)
- Jake B Bailey
- Department of Chemistry and Biochemistry, University of California, San Diego, La Jolla, California 92093, United States
| | - F Akif Tezcan
- Department of Chemistry and Biochemistry, University of California, San Diego, La Jolla, California 92093, United States.,Materials Science and Engineering, University of California, San Diego, La Jolla, California 92093, United States
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44
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Kakkis A, Gagnon D, Esselborn J, Britt RD, Tezcan FA. Metal-Templated Design of Chemically Switchable Protein Assemblies with High-Affinity Coordination Sites. Angew Chem Int Ed Engl 2020; 59:21940-21944. [PMID: 32830423 DOI: 10.1002/anie.202009226] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2020] [Revised: 08/13/2020] [Indexed: 11/09/2022]
Abstract
To mimic a hypothetical pathway for protein evolution, we previously tailored a monomeric protein (cyt cb562 ) for metal-mediated self-assembly, followed by re-design of the resulting oligomers for enhanced stability and metal-based functions. We show that a single hydrophobic mutation on the cyt cb562 surface drastically alters the outcome of metal-directed oligomerization to yield a new trimeric architecture, (TriCyt1)3. This nascent trimer was redesigned into second and third-generation variants (TriCyt2)3 and (TriCyt3)3 with increased structural stability and preorganization for metal coordination. The three TriCyt variants combined furnish a unique platform to 1) provide tunable coupling between protein quaternary structure and metal coordination, 2) enable the construction of metal/pH-switchable protein oligomerization motifs, and 3) generate a robust metal coordination site that can coordinate all mid-to-late first-row transition-metal ions with high affinity.
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Affiliation(s)
- Albert Kakkis
- Department of Chemistry and Biochemistry, University of California, San Diego, 9500 Gilman Drive, La Jolla, CA, 92093, USA
| | - Derek Gagnon
- Department of Chemistry and Biochemistry, University of California, San Diego, 9500 Gilman Drive, La Jolla, CA, 92093, USA
| | - Julian Esselborn
- Department of Chemistry and Biochemistry, University of California, San Diego, 9500 Gilman Drive, La Jolla, CA, 92093, USA
| | - R David Britt
- Department of Chemistry, University of California, Davis, 1 Shields Avenue, Davis, CA, 95616, USA
| | - F Akif Tezcan
- Department of Chemistry and Biochemistry, University of California, San Diego, 9500 Gilman Drive, La Jolla, CA, 92093, USA
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45
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Assembly of a patchy protein into variable 2D lattices via tunable multiscale interactions. Nat Commun 2020; 11:3770. [PMID: 32724112 PMCID: PMC7387446 DOI: 10.1038/s41467-020-17562-1] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2020] [Accepted: 07/07/2020] [Indexed: 12/24/2022] Open
Abstract
Self-assembly of molecular building blocks into higher-order structures is exploited in living systems to create functional complexity and represents a powerful strategy for constructing new materials. As nanoscale building blocks, proteins offer unique advantages, including monodispersity and atomically tunable interactions. Yet, control of protein self-assembly has been limited compared to inorganic or polymeric nanoparticles, which lack such attributes. Here, we report modular self-assembly of an engineered protein into four physicochemically distinct, precisely patterned 2D crystals via control of four classes of interactions spanning Ångström to several-nanometer length scales. We relate the resulting structures to the underlying free-energy landscape by combining in-situ atomic force microscopy observations of assembly with thermodynamic analyses of protein-protein and -surface interactions. Our results demonstrate rich phase behavior obtainable from a single, highly patchy protein when interactions acting over multiple length scales are exploited and predict unusual bulk-scale properties for protein-based materials that ensue from such control. As nanoscale building blocks, proteins offer unique advantages, including monodispersity and atomically tunable interactions, but their self-assembly is limited compared to inorganic or polymeric nanoparticles. Here, the authors show modular self-assembly of an engineered protein into four physicochemically distinct patterned 2D crystals via control of four classes of interactions.
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46
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Leone L, Chino M, Nastri F, Maglio O, Pavone V, Lombardi A. Mimochrome, a metalloporphyrin‐based catalytic Swiss knife†. Biotechnol Appl Biochem 2020; 67:495-515. [DOI: 10.1002/bab.1985] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2020] [Accepted: 07/09/2020] [Indexed: 12/20/2022]
Affiliation(s)
- Linda Leone
- Department of Chemical Sciences University of Napoli “Federico II” Napoli Italy
| | - Marco Chino
- Department of Chemical Sciences University of Napoli “Federico II” Napoli Italy
| | - Flavia Nastri
- Department of Chemical Sciences University of Napoli “Federico II” Napoli Italy
| | - Ornella Maglio
- Department of Chemical Sciences University of Napoli “Federico II” Napoli Italy
- IBB ‐ National Research Council Napoli Italy
| | - Vincenzo Pavone
- Department of Chemical Sciences University of Napoli “Federico II” Napoli Italy
| | - Angela Lombardi
- Department of Chemical Sciences University of Napoli “Federico II” Napoli Italy
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47
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Himiyama T, Okamoto Y. Artificial Metalloenzymes: From Selective Chemical Transformations to Biochemical Applications. Molecules 2020; 25:molecules25132989. [PMID: 32629938 PMCID: PMC7411666 DOI: 10.3390/molecules25132989] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Revised: 06/26/2020] [Accepted: 06/27/2020] [Indexed: 11/16/2022] Open
Abstract
Artificial metalloenzymes (ArMs) comprise a synthetic metal complex in a protein scaffold. ArMs display performances combining those of both homogeneous catalysts and biocatalysts. Specifically, ArMs selectively catalyze non-natural reactions and reactions inspired by nature in water under mild conditions. In the past few years, the construction of ArMs that possess a genetically incorporated unnatural amino acid and the directed evolution of ArMs have become of great interest in the field. Additionally, biochemical applications of ArMs have steadily increased, owing to the fact that compartmentalization within a protein scaffold allows the synthetic metal complex to remain functional in a sea of inactivating biomolecules. In this review, we present updates on: 1) the newly reported ArMs, according to their type of reaction, and 2) the unique biochemical applications of ArMs, including chemoenzymatic cascades and intracellular/in vivo catalysis. We believe that ArMs have great potential as catalysts for organic synthesis and as chemical biology tools for pharmaceutical applications.
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Affiliation(s)
- Tomoki Himiyama
- National Institute of Advanced Industrial Science and Technology, Ikeda, Osaka 563-8577, Japan;
- DBT-AIST International Laboratory for Advanced Biomedicine (DAILAB), Ikeda, Osaka 563-8577, Japan
| | - Yasunori Okamoto
- Frontier Research Institute for Interdisciplinary Sciences, Tohoku University, 6-3 Aramaki aza Aoba, Aoba-ku, Sendai 980-8578, Japan
- Correspondence: ; Tel.: +81-22-795-5264
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48
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Zambrano G, Chino M, Renzi E, Di Girolamo R, Maglio O, Pavone V, Lombardi A, Nastri F. Clickable artificial heme-peroxidases for the development of functional nanomaterials. Biotechnol Appl Biochem 2020; 67:549-562. [PMID: 33463759 DOI: 10.1002/bab.1969] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2020] [Accepted: 06/06/2020] [Indexed: 11/08/2022]
Abstract
Artificial metalloenzymes as catalysts are promising candidates for their use in different technologies, such as bioremediation, biomass transformation, or biosensing. Despite this, their practical exploitation is still at an early stage. Immobilized natural enzymes have been proposed to enhance their applicability. Immobilization may offer several advantages: (i) catalyst reuse; (ii) easy separation of the enzyme from the reaction medium; (iii) better tolerance to harsh temperature and pH conditions. Here, we report an easy immobilization procedure of an artificial peroxidase on different surfaces, by means of click chemistry. FeMC6*a, a recently developed peroxidase mimic, has been functionalized with a pegylated aza-dibenzocyclooctyne to afford a "clickable" biocatalyst, namely FeMC6*a-PEG4@DBCO, which easily reacts with azide-functionalized molecules and/or nanomaterials to afford functional bioconjugates. The clicked biocatalyst retains its structural and, to some extent, its functional behaviors, thus housing high potential for biotechnological applications.
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Affiliation(s)
- Gerardo Zambrano
- Department of Chemical Sciences, University of Napoli "Federico II," Via Cintia, Napoli, Italy
| | - Marco Chino
- Department of Chemical Sciences, University of Napoli "Federico II," Via Cintia, Napoli, Italy
| | - Emilia Renzi
- Department of Chemical Sciences, University of Napoli "Federico II," Via Cintia, Napoli, Italy
| | - Rocco Di Girolamo
- Department of Chemical Sciences, University of Napoli "Federico II," Via Cintia, Napoli, Italy
| | - Ornella Maglio
- Department of Chemical Sciences, University of Napoli "Federico II," Via Cintia, Napoli, Italy.,Istituto di Biostrutture e Bioimmagini, CNR, Napoli, Italy
| | - Vincenzo Pavone
- Department of Chemical Sciences, University of Napoli "Federico II," Via Cintia, Napoli, Italy
| | - Angela Lombardi
- Department of Chemical Sciences, University of Napoli "Federico II," Via Cintia, Napoli, Italy
| | - Flavia Nastri
- Department of Chemical Sciences, University of Napoli "Federico II," Via Cintia, Napoli, Italy
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49
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Hansen WA, Khare SD. Recent progress in designing protein-based supramolecular assemblies. Curr Opin Struct Biol 2020; 63:106-114. [PMID: 32569994 DOI: 10.1016/j.sbi.2020.05.001] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2020] [Revised: 05/07/2020] [Accepted: 05/11/2020] [Indexed: 10/24/2022]
Abstract
The design of protein-based assemblies is an emerging area in bionanotechnology with wide ranging applications, from vaccines to smart biomaterials. Design approaches have sought to mimic both the topologies of assemblies observed in nature, as well as their functionally relevant properties, such as being responsive to external cues. In the last few years, diverse design approaches have been used to construct assemblies with integer-dimensional (e.g. filaments, layers, lattices and polyhedra) and non-integer-dimensional (fractal) topologies. Supramolecular structures that assemble/disassemble in response to chemical and physical stimuli have also been built. Hybrid protein-DNA assemblies have expanded the set of building blocks used for generating supramolecular architectures. While still far from reproducing the sophistication of natural assemblies, these exciting results represent important steps towards the design of responsive and functional biomaterials built from the bottom up. As the complexity of topologies and diversity of building blocks increases, considerations of both thermodynamics and kinetics of assembly formation will play crucial roles in making the design of protein-based assemblies robust and useful.
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Affiliation(s)
- William A Hansen
- Institute for Quantitative Biomedicine, Rutgers - The State University of New Jersey, NJ, USA
| | - Sagar D Khare
- Institute for Quantitative Biomedicine, Rutgers - The State University of New Jersey, NJ, USA; Department of Chemistry and Chemical Biology, Rutgers - The State University of New Jersey, NJ, USA.
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50
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Fujieda N, Ichihashi H, Yuasa M, Nishikawa Y, Kurisu G, Itoh S. Cupin Variants as a Macromolecular Ligand Library for Stereoselective Michael Addition of Nitroalkanes. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202000129] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Nobutaka Fujieda
- Department of Applied Life Sciences Graduate School of Life and Environmental Sciences Osaka Prefecture University 1-1 Gakuen-cho, Naka-ku, Sakai-shi Osaka 599-8531 Japan
| | - Haruna Ichihashi
- Department of Material and Life Science Graduate School of Engineering Osaka University 2-1 Yamada-oka, Suita Osaka 565-0871 Japan
| | - Miho Yuasa
- Department of Applied Life Sciences Graduate School of Life and Environmental Sciences Osaka Prefecture University 1-1 Gakuen-cho, Naka-ku, Sakai-shi Osaka 599-8531 Japan
| | - Yosuke Nishikawa
- Institute for Protein Research Osaka University 3-2 Yamada-oka, Suita Osaka 565-0871 Japan
| | - Genji Kurisu
- Institute for Protein Research Osaka University 3-2 Yamada-oka, Suita Osaka 565-0871 Japan
| | - Shinobu Itoh
- Department of Material and Life Science Graduate School of Engineering Osaka University 2-1 Yamada-oka, Suita Osaka 565-0871 Japan
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