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Sato R, Minamihata K, Wakabayashi R, Goto M, Kamiya N. Molecular crowding elicits the acceleration of enzymatic crosslinking of macromolecular substrates. Org Biomol Chem 2023; 21:306-314. [PMID: 36342388 DOI: 10.1039/d2ob01549h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
Cytoplasm contains high concentrations of biomacromolecules. Protein behavior under such crowded conditions is reportedly different from that in an aqueous buffer solution, mainly owing to the effect of volume exclusion caused by the presence of macromolecules. Using a crosslinking reaction catalyzed by microbial transglutaminase (MTG) as a model, we herein systematically determined how the substrate size affects enzymatic activity in both dilute and crowded solutions of dextran. We first observed a threefold reduction in MTG-mediated crosslinking of a pair of small peptide substrates in 15 wt% dextran solution. In contrast, when proteinaceous substrates were involved, the crosslinking rates in 15 wt% dextran solutions accelerated markedly to levels comparable with the level in the absence of dextran. Our results provide new insights into the action of enzymes with regard to macromolecular substrates under crowded conditions, of which the potential utility was demonstrated by the formation of highly crosslinked protein polymers.
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Affiliation(s)
- Ryo Sato
- Department of Applied Chemistry, Graduate School of Engineering, Kyushu University, 744 Motooka, Fukuoka 819-0395, Japan.
| | - Kosuke Minamihata
- Department of Applied Chemistry, Graduate School of Engineering, Kyushu University, 744 Motooka, Fukuoka 819-0395, Japan.
| | - Rie Wakabayashi
- Department of Applied Chemistry, Graduate School of Engineering, Kyushu University, 744 Motooka, Fukuoka 819-0395, Japan.
| | - Masahiro Goto
- Department of Applied Chemistry, Graduate School of Engineering, Kyushu University, 744 Motooka, Fukuoka 819-0395, Japan. .,Division of Biotechnology, Center for Future Chemistry, Kyushu University, 744 Motooka, Fukuoka 819-0395, Japan
| | - Noriho Kamiya
- Department of Applied Chemistry, Graduate School of Engineering, Kyushu University, 744 Motooka, Fukuoka 819-0395, Japan. .,Division of Biotechnology, Center for Future Chemistry, Kyushu University, 744 Motooka, Fukuoka 819-0395, Japan
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Nakata M, Kreikemeyer B. Genetics, Structure, and Function of Group A Streptococcal Pili. Front Microbiol 2021; 12:616508. [PMID: 33633705 PMCID: PMC7900414 DOI: 10.3389/fmicb.2021.616508] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2020] [Accepted: 01/18/2021] [Indexed: 12/12/2022] Open
Abstract
Streptococcus pyogenes (Group A Streptococcus; GAS) is an exclusively human pathogen. This bacterial species is responsible for a large variety of infections, ranging from purulent but mostly self-limiting oropharynx/skin diseases to streptococcal sequelae, including glomerulonephritis and rheumatic fever, as well as life-threatening streptococcal toxic-shock syndrome. GAS displays a wide array of surface proteins, with antigenicity of the M protein and pili utilized for M- and T-serotyping, respectively. Since the discovery of GAS pili in 2005, their genetic features, including regulation of expression, and structural features, including assembly mechanisms and protein conformation, as well as their functional role in GAS pathogenesis have been intensively examined. Moreover, their potential as vaccine antigens has been studied in detail. Pilus biogenesis-related genes are located in a discrete section of the GAS genome encoding fibronectin and collagen binding proteins and trypsin-resistant antigens (FCT region). Based on the heterogeneity of genetic composition and DNA sequences, this region is currently classified into nine distinguishable forms. Pili and fibronectin-binding proteins encoded in the FCT region are known to be correlated with infection sites, such as the skin and throat, possibly contributing to tissue tropism. As also found for pili of other Gram-positive bacterial pathogens, GAS pilin proteins polymerize via isopeptide bonds, while intramolecular isopeptide bonds present in the pilin provide increased resistance to degradation by proteases. As supported by findings showing that the main subunit is primarily responsible for T-serotyping antigenicity, pilus functions and gene expression modes are divergent. GAS pili serve as adhesins for tonsillar tissues and keratinocyte cell lines. Of note, a minor subunit is considered to have a harpoon function by which covalent thioester bonds with host ligands are formed. Additionally, GAS pili participate in biofilm formation and evasion of the immune system in a serotype/strain-specific manner. These multiple functions highlight crucial roles of pili during the onset of GAS infection. This review summarizes the current state of the art regarding GAS pili, including a new mode of host-GAS interaction mediated by pili, along with insights into pilus expression in terms of tissue tropism.
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Affiliation(s)
- Masanobu Nakata
- Department of Oral Microbiology, Graduate School of Medical and Dental Sciences, Kagoshima University, Kagoshima, Japan
| | - Bernd Kreikemeyer
- Institute of Medical Microbiology, Virology and Hygiene, University of Rostock, Rostock, Germany
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3
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Insider information on successful covalent protein coupling with help from SpyBank. Methods Enzymol 2019; 617:443-461. [DOI: 10.1016/bs.mie.2018.12.010] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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Okesola BO, Mata A. Multicomponent self-assembly as a tool to harness new properties from peptides and proteins in material design. Chem Soc Rev 2018; 47:3721-3736. [DOI: 10.1039/c8cs00121a] [Citation(s) in RCA: 158] [Impact Index Per Article: 26.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Nature is enriched with a wide variety of complex, synergistic and highly functional protein-based multicomponent assemblies.
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Affiliation(s)
- Babatunde O. Okesola
- School of Engineering and Materials Science
- Institute of Bioengineering
- Queen Mary University of London
- UK
| | - Alvaro Mata
- School of Engineering and Materials Science
- Institute of Bioengineering
- Queen Mary University of London
- UK
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Gilbert C, Howarth M, Harwood CR, Ellis T. Extracellular Self-Assembly of Functional and Tunable Protein Conjugates from Bacillus subtilis. ACS Synth Biol 2017; 6:957-967. [PMID: 28230977 DOI: 10.1021/acssynbio.6b00292] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
The ability to stably and specifically conjugate recombinant proteins to one another is a powerful approach for engineering multifunctional enzymes, protein therapeutics, and novel biological materials. While many of these applications have been illustrated through in vitro and in vivo intracellular protein conjugation methods, extracellular self-assembly of protein conjugates offers unique advantages: simplifying purification, reducing toxicity and burden, and enabling tunability. Exploiting the recently described SpyTag-SpyCatcher system, we describe here how enzymes and structural proteins can be genetically encoded to covalently conjugate in culture media following programmable secretion from Bacillus subtilis. Using this approach, we demonstrate how self-conjugation of a secreted industrial enzyme, XynA, dramatically increases its resilience to boiling, and we show that cellular consortia can be engineered to self-assemble functional protein-protein conjugates with tunable composition. This novel genetically encoded modular system provides a flexible strategy for protein conjugation harnessing the substantial advantages of extracellular self-assembly.
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Affiliation(s)
- Charlie Gilbert
- Centre
for Synthetic Biology and Innovation, Imperial College London, London SW7 2AZ, U.K
- Department
of Bioengineering, Imperial College London, London SW7 2AZ, U.K
| | - Mark Howarth
- Department
of Biochemistry, University of Oxford, South Parks Road, Oxford OX1 3QU, U.K
| | - Colin R. Harwood
- Centre
for Bacterial Cell Biology, Baddiley-Clark Building, Newcastle University, Richardson Road, Newcastle upon Tyne NE2 4AX, U.K
| | - Tom Ellis
- Centre
for Synthetic Biology and Innovation, Imperial College London, London SW7 2AZ, U.K
- Department
of Bioengineering, Imperial College London, London SW7 2AZ, U.K
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Yumura K, Akiba H, Nagatoishi S, Kusano-Arai O, Iwanari H, Hamakubo T, Tsumoto K. Use of SpyTag/SpyCatcher to construct bispecific antibodies that target two epitopes of a single antigen. J Biochem 2017. [DOI: 10.1093/jb/mvx023] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Affiliation(s)
- Kyohei Yumura
- Department of Medical Genome Sciences, Graduate School of Frontier Sciences, The University of Tokyo, Kashiwa 277-8562, Japan
| | - Hiroki Akiba
- Department of Bioengineering, School of Engineering, The University of Tokyo, Bunkyo-ku, Tokyo 113-8656, Japan
| | - Satoru Nagatoishi
- Department of Bioengineering, School of Engineering, The University of Tokyo, Bunkyo-ku, Tokyo 113-8656, Japan
| | - Osamu Kusano-Arai
- Department of Quantitative Biology and Medicine, Research Center for Advanced Science and Technology, The University of Tokyo, Komaba, Tokyo 153-8904, Japan
| | - Hiroko Iwanari
- Department of Quantitative Biology and Medicine, Research Center for Advanced Science and Technology, The University of Tokyo, Komaba, Tokyo 153-8904, Japan
| | - Takao Hamakubo
- Department of Quantitative Biology and Medicine, Research Center for Advanced Science and Technology, The University of Tokyo, Komaba, Tokyo 153-8904, Japan
| | - Kouhei Tsumoto
- Department of Medical Genome Sciences, Graduate School of Frontier Sciences, The University of Tokyo, Kashiwa 277-8562, Japan
- Department of Bioengineering, School of Engineering, The University of Tokyo, Bunkyo-ku, Tokyo 113-8656, Japan
- Medical Proteomics Laboratory, The Institute of Medical Science, The University of Tokyo, Minato-ku, Tokyo 108-8639, Japan
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Abstract
Protein-protein interactions are fundamental to many biological processes. Yet, the weak and transient noncovalent bonds that characterize most protein-protein interactions found in nature impose limits on many bioengineering experiments. Here, a new class of genetically encodable peptide-protein pairs--isopeptag-N/pilin-N, isopeptag/pilin-C, and SpyTag/SpyCatcher--that interact through autocatalytic intermolecular isopeptide bond formation is described. Reactions between peptide-protein pairs are specific, robust, orthogonal, and able to proceed under most biologically relevant conditions both in vitro and in vivo. As fusion constructs, they provide a handle on molecules of interest, both organic and inorganic, that can be grasped with an iron grip. Such stable interactions provide robust post-translational control over biological processes and open new opportunities in synthetic biology for engineering programmable and self-assembling protein nanoarchitectures.
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Affiliation(s)
- Bijan Zakeri
- Department of Electrical Engineering and Computer Science, Department of Biological Engineering, Research Laboratory of Electronics, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA, 02139, USA. .,MIT Synthetic Biology Center, 500 Technology Square, Cambridge, MA, 02139, USA.
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Veggiani G, Zakeri B, Howarth M. Superglue from bacteria: unbreakable bridges for protein nanotechnology. Trends Biotechnol 2014; 32:506-12. [PMID: 25168413 DOI: 10.1016/j.tibtech.2014.08.001] [Citation(s) in RCA: 92] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2014] [Revised: 07/13/2014] [Accepted: 08/04/2014] [Indexed: 11/28/2022]
Abstract
Biotechnology is often limited by weak interactions. We suggest that an ideal interaction between proteins would be covalent, specific, require addition of only a peptide tag to the protein of interest, and form under a wide range of conditions. Here we summarize peptide tags that are able to form spontaneous amide bonds, based on harnessing reactions of adhesion proteins from the bacterium Streptococcus pyogenes. These include the irreversible peptide-protein interaction of SpyTag with SpyCatcher, as well as irreversible peptide-peptide interactions via SpyLigase. We describe existing applications, including polymerization to enhance cancer cell capture, assembly of living biomaterial, access to diverse protein shapes, and improved enzyme resilience. We also indicate future opportunities for resisting biological force and extending the scope of protein nanotechnology.
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Affiliation(s)
- Gianluca Veggiani
- Department of Biochemistry, University of Oxford, South Parks Road, Oxford OX1 3QU, UK
| | - Bijan Zakeri
- MIT Synthetic Biology Center, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA 02139, USA
| | - Mark Howarth
- Department of Biochemistry, University of Oxford, South Parks Road, Oxford OX1 3QU, UK.
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Lu Y, Huang F, Wang J, Xia J. Affinity-Guided Covalent Conjugation Reactions Based on PDZ–Peptide and SH3–Peptide Interactions. Bioconjug Chem 2014; 25:989-99. [DOI: 10.1021/bc500134w] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Yao Lu
- Department of Chemistry, The Chinese University of Hong Kong, Shatin, Hong Kong SAR, China
| | - Feng Huang
- Department of Chemistry, The Chinese University of Hong Kong, Shatin, Hong Kong SAR, China
| | - Jianpeng Wang
- Department of Chemistry, The Chinese University of Hong Kong, Shatin, Hong Kong SAR, China
| | - Jiang Xia
- Department of Chemistry, The Chinese University of Hong Kong, Shatin, Hong Kong SAR, China
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10
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Wang J, Yu Y, Xia J. Short peptide tag for covalent protein labeling based on coiled coils. Bioconjug Chem 2013; 25:178-87. [PMID: 24341800 DOI: 10.1021/bc400498p] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
To label proteins covalently, one faces a trade-off between labeling a protein specifically and using a small tag. Often one must compromise one parameter for the other or use additional components, such as an enzyme, to satisfy both requirements. Here, we report a new reaction that covalently labels proteins by using engineered coiled-coil peptides. Harnessing the concept of "proximity-induced reactivity", the 21-amino-acid three-heptad peptides CCE/CCK were modified with a nucleophilic cysteine and an α-chloroacetyl group at selected positions. When pairs of coiled coils associated, an irreversible covalent bond spontaneously formed between the peptides. The specificity of the cross-linking reaction was characterized, the probes were improved by making them bivalent, and the system was used to label a protein in vitro and receptors on the surface of mammalian cells.
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Affiliation(s)
- Jianpeng Wang
- Department of Chemistry, The Chinese University of Hong Kong , Shatin, Hong Kong SAR, China
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Minde DP, Halff EF, Tans S. Designing disorder: Tales of the unexpected tails. INTRINSICALLY DISORDERED PROTEINS 2013; 1:e26790. [PMID: 28516025 PMCID: PMC5424805 DOI: 10.4161/idp.26790] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/10/2013] [Revised: 10/11/2013] [Accepted: 10/11/2013] [Indexed: 12/24/2022]
Abstract
Protein tags of various sizes and shapes catalyze progress in biosciences. Well-folded tags can serve to solubilize proteins. Small, unfolded, peptide-like tags have become invaluable tools for protein purification as well as protein-protein interaction studies. Intrinsically Disordered Proteins (IDPs), which lack unique 3D structures, received exponentially increasing attention during the last decade. Recently, large ID tags have been developed to solubilize proteins and to engineer the pharmacological properties of protein and peptide pharmaceuticals. Here, we contrast the complementary benefits and applications of both folded and ID tags based on predictions of ID. Less structure often means more function in a shorter tag.
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Affiliation(s)
| | - Els F Halff
- Crystal and Structural Chemistry; Bijvoet Center for Biomolecular Research; Utrecht University; Utrecht, The Netherlands
| | - Sander Tans
- FOM Institute AMOLF; Amsterdam, The Netherlands
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