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Camus A, Gantz M, Hilvert D. High-Throughput Engineering of Nonribosomal Extension Modules. ACS Chem Biol 2023; 18:2516-2523. [PMID: 37983914 PMCID: PMC10728897 DOI: 10.1021/acschembio.3c00506] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2023] [Revised: 10/18/2023] [Accepted: 10/26/2023] [Indexed: 11/22/2023]
Abstract
Nonribosomal peptides constitute an important class of natural products that display a wide range of bioactivities. They are biosynthesized by large assembly lines called nonribosomal peptide synthetases (NRPSs). Engineering NRPS modules represents an attractive strategy for generating customized synthetases for the production of peptide variants with improved properties. Here, we explored the yeast display of NRPS elongation and termination modules as a high-throughput screening platform for assaying adenylation domain activity and altering substrate specificity. Depending on the module, display of A-T bidomains or C-A-T tridomains, which also include an upstream condensation domain, proved to be most effective. Reprograming a tyrocidine synthetase elongation module to accept 4-propargyloxy-phenylalanine, a noncanonical amino acid that is not activated by the native protein, illustrates the utility of this approach for altering NRPS specificity at internal sites.
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Affiliation(s)
- Anna Camus
- Laboratory of Organic Chemistry, ETH Zurich, 8093 Zurich, Switzerland
| | - Maximilian Gantz
- Laboratory of Organic Chemistry, ETH Zurich, 8093 Zurich, Switzerland
| | - Donald Hilvert
- Laboratory of Organic Chemistry, ETH Zurich, 8093 Zurich, Switzerland
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2
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Ishikawa F, Tsukumo N, Morishita E, Asamizu S, Kusuhara S, Marumoto S, Takashima K, Onaka H, Tanabe G. Biosynthetic diversification of non-ribosomal peptides through activity-based protein profiling of adenylation domains. Chem Commun (Camb) 2023; 59:9473-9476. [PMID: 37477345 DOI: 10.1039/d3cc02633g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/22/2023]
Abstract
We describe activity-based protein profiling for analyzing the adenylation domains of non-ribosomal peptide synthetases (ABPP-NRPS) in bacterial proteomes. Using a range of non-proteoinogenic amino acid sulfamoyladenosines, the competitive format of ABPP-NRPS provided substrate tolerance toward non-proteinogenic amino acids. When coupled with precursor-directed biosynthesis, a non-proteinogenic amino acid (O-allyl-L-serine) was successfully incorporated into gramicidin S.
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Affiliation(s)
- Fumihiro Ishikawa
- Faculty of Pharmacy, Kindai University, 3-4-1 Kowakae, Higashi-osaka, Osaka 577-8502, Japan.
| | - Natsumi Tsukumo
- Faculty of Pharmacy, Kindai University, 3-4-1 Kowakae, Higashi-osaka, Osaka 577-8502, Japan.
| | - Erika Morishita
- Faculty of Pharmacy, Kindai University, 3-4-1 Kowakae, Higashi-osaka, Osaka 577-8502, Japan.
| | - Shumpei Asamizu
- Graduate School of Agricultural and Life Sciences and Collaborative Research Institute for Innovative Microbiology, The University of Tokyo, 1-1-1 Yayoi, Bunkyo, Tokyo 113-8657, Japan
| | - Saaya Kusuhara
- Faculty of Pharmacy, Kindai University, 3-4-1 Kowakae, Higashi-osaka, Osaka 577-8502, Japan.
| | - Shinsuke Marumoto
- Joint Research Center, Kindai University, 3-4-1 Kowakae, Higashi-osaka, Osaka 577-8502, Japan
| | - Katsuki Takashima
- Faculty of Pharmacy, Kindai University, 3-4-1 Kowakae, Higashi-osaka, Osaka 577-8502, Japan.
| | - Hiroyasu Onaka
- Graduate School of Agricultural and Life Sciences and Collaborative Research Institute for Innovative Microbiology, The University of Tokyo, 1-1-1 Yayoi, Bunkyo, Tokyo 113-8657, Japan
| | - Genzoh Tanabe
- Faculty of Pharmacy, Kindai University, 3-4-1 Kowakae, Higashi-osaka, Osaka 577-8502, Japan.
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3
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Rüschenbaum J, Steinchen W, Mayerthaler F, Feldberg A, Mootz HD. FRET Monitoring of a Nonribosomal Peptide Synthetase Elongation Module Reveals Carrier Protein Shuttling between Catalytic Domains. Angew Chem Int Ed Engl 2022; 61:e202212994. [PMID: 36169151 PMCID: PMC9828546 DOI: 10.1002/anie.202212994] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2022] [Indexed: 01/12/2023]
Abstract
Nonribosomal peptide synthetases (NRPSs) employ multiple domains, specifically arranged in modules, for the assembly-line biosynthesis of a plethora of bioactive peptides. It is poorly understood how catalysis is correlated with the domain interplay and associated conformational changes. We developed FRET sensors of an elongation module to study in solution the intramodular interactions of the peptidyl carrier protein (PCP) with adenylation (A) and condensation (C) domains. Backed by HDX-MS analysis, we discovered dynamic mixtures of conformations that undergo distinct population changes in favor of the PCP-A and PCP-C interactions upon completion of the adenylation and thiolation reactions, respectively. To probe this model we blocked PCP binding to the C domain by photocaging and triggered peptide bond formation with light. Changing intramodular domain affinities of the PCP appear to result in conformational shifts according to the logic of the templated assembly process.
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Affiliation(s)
- Jennifer Rüschenbaum
- University of MünsterInstitute of BiochemistryCorrensstraße 3648149MünsterGermany
| | - Wieland Steinchen
- Philipps-University MarburgSYNMIKRO Research Center & Faculty of ChemistryKarl-von-Frisch-Straße 1435043MarburgGermany
| | - Florian Mayerthaler
- University of MünsterInstitute of BiochemistryCorrensstraße 3648149MünsterGermany
| | - Anna‐Lena Feldberg
- University of MünsterInstitute of BiochemistryCorrensstraße 3648149MünsterGermany
| | - Henning D. Mootz
- University of MünsterInstitute of BiochemistryCorrensstraße 3648149MünsterGermany
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Soeriyadi AH, Ongley SE, Kehr JC, Pickford R, Dittmann E, Neilan BA. Tailoring Enzyme Stringency Masks the Multispecificity of a Lyngbyatoxin (Indolactam Alkaloid) Nonribosomal Peptide Synthetase. Chembiochem 2021; 23:e202100574. [PMID: 34850512 DOI: 10.1002/cbic.202100574] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2021] [Revised: 11/30/2021] [Indexed: 11/11/2022]
Abstract
Indolactam alkaloids are activators of protein kinase C (PKC) and are of pharmacological interest for the treatment of pathologies involving PKC dysregulation. The marine cyanobacterial nonribosomal peptide synthetase (NRPS) pathway for lyngbyatoxin biosynthesis, which we previously expressed in E. coli, was studied for its amenability towards the biosynthesis of indolactam variants. Modification of culture conditions for our E. coli heterologous expression host and analysis of pathway products suggested the native lyngbyatoxin pathway NRPS does possess a degree of relaxed specificity. Site-directed mutagenesis of two positions within the adenylation domain (A-domain) substrate-binding pocket was performed, resulting in an alteration of substrate preference between valine, isoleucine, and leucine. We observed relative congruence of in vitro substrate activation by the LtxA NRPS to in vivo product formation. While there was a preference for isoleucine over leucine, the substitution of alternative tailoring domains may unveil the true in vivo effects of the mutations introduced herein.
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Affiliation(s)
- Angela H Soeriyadi
- School of Biotechnology and Biomolecular Sciences, University of New South Wales, Sydney, 2052, Australia
| | - Sarah E Ongley
- School of Biotechnology and Biomolecular Sciences, University of New South Wales, Sydney, 2052, Australia.,School of Environmental and Life Sciences, University of Newcastle, Callaghan, 2308, Australia
| | - Jan-Christoph Kehr
- Department of Microbiology, Institute for Biochemistry and Biology, University of Potsdam, Potsdam-Golm, Germany
| | - Russel Pickford
- Bioanalytical Mass Spectrometry Facility, University of New South Wales, Sydney, 2052, Australia
| | - Elke Dittmann
- Department of Microbiology, Institute for Biochemistry and Biology, University of Potsdam, Potsdam-Golm, Germany
| | - Brett A Neilan
- School of Biotechnology and Biomolecular Sciences, University of New South Wales, Sydney, 2052, Australia.,School of Environmental and Life Sciences, University of Newcastle, Callaghan, 2308, Australia
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Combinatorial biosynthesis for the generation of new-to-nature peptide antimicrobials. Biochem Soc Trans 2021; 49:203-215. [PMID: 33439248 DOI: 10.1042/bst20200425] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2020] [Revised: 11/25/2020] [Accepted: 11/27/2020] [Indexed: 12/12/2022]
Abstract
Natural peptide products are a valuable source of important therapeutic agents, including antibiotics, antivirals and crop protection agents. Aided by an increased understanding of structure-activity relationships of these complex molecules and the biosynthetic machineries that produce them, it has become possible to re-engineer complete machineries and biosynthetic pathways to create novel products with improved pharmacological properties or modified structures to combat antimicrobial resistance. In this review, we will address the progress that has been made using non-ribosomally produced peptides and ribosomally synthesized and post-translationally modified peptides as scaffolds for designed biosynthetic pathways or combinatorial synthesis for the creation of novel peptide antimicrobials.
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Vosloo JA, Rautenbach M. Following tyrothricin peptide production by Brevibacillus parabrevis with electrospray mass spectrometry. Biochimie 2020; 179:101-112. [DOI: 10.1016/j.biochi.2020.09.004] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2020] [Revised: 08/18/2020] [Accepted: 09/07/2020] [Indexed: 11/16/2022]
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Fazle Rabbee M, Baek KH. Antimicrobial Activities of Lipopeptides and Polyketides of Bacillus velezensis for Agricultural Applications. Molecules 2020; 25:molecules25214973. [PMID: 33121115 PMCID: PMC7662345 DOI: 10.3390/molecules25214973] [Citation(s) in RCA: 56] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2020] [Revised: 10/23/2020] [Accepted: 10/25/2020] [Indexed: 12/17/2022] Open
Abstract
Since the discovery of penicillin, bacteria are known to be major sources of secondary metabolites that can function as drugs or pesticides. Scientists worldwide attempted to isolate novel compounds from microorganisms; however, only less than 1% of all existing microorganisms have been successfully identified or characterized till now. Despite the limitations and gaps in knowledge, in recent years, many Bacillus velezensis isolates were identified to harbor a large number of biosynthetic gene clusters encoding gene products for the production of secondary metabolites. These chemically diverse bioactive metabolites could serve as a repository for novel drug discovery. More specifically, current projects on whole-genome sequencing of B. velezensis identified a large number of biosynthetic gene clusters that encode enzymes for the synthesis of numerous antimicrobial compounds, including lipopeptides and polyketides; nevertheless, their biological applications are yet to be identified or established. In this review, we discuss the recent research on synthesis of bioactive compounds by B. velezensis and related Bacillus species, their chemical structures, bioactive gene clusters of interest, as well as their biological applications for effective plant disease management.
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Gong C, Hou C, Yao M, Ren J. New Discoveries in Hybrid Orbitals to Characterize Molecules and Predict Biomolecular Interactions. J Chem Inf Model 2020; 60:17-21. [PMID: 31851496 DOI: 10.1021/acs.jcim.9b01078] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Taking hydrogen bonds as a basis to explore biomolecular properties and interactions, we constructed the lone-pair electron (LPE) index and a molecular orbital fingerprint based on molecular hybrid orbitals to represent the ability of molecules to form hydrogen bonds. Then, a computational model was constructed to predict molecular interactions. The LPE and orbital fingerprint could effectively predict the biological properties and bioactivities of molecules. This study revealed the significance of hybrid orbitals for understanding cell biochemistry.
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Affiliation(s)
- Congcong Gong
- School of Food Science and Technology , South China University of Technology , Guangzhou 510641 , Guangdong , China
| | - Chuanli Hou
- School of Food Science and Technology , South China University of Technology , Guangzhou 510641 , Guangdong , China
| | - Maojin Yao
- State Key Laboratory of Oncology In South China , SUN YAT-SEN University Cancer Center , Guangzhou 510641 , Guangdong , China
| | - Jiaoyan Ren
- School of Food Science and Technology , South China University of Technology , Guangzhou 510641 , Guangdong , China
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Stanišić A, Hüsken A, Kries H. HAMA: a multiplexed LC-MS/MS assay for specificity profiling of adenylate-forming enzymes. Chem Sci 2019; 10:10395-10399. [PMID: 32110329 PMCID: PMC6988596 DOI: 10.1039/c9sc04222a] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2019] [Accepted: 09/13/2019] [Indexed: 01/04/2023] Open
Abstract
Adenylation enzymes are engineering targets in ribosomal and nonribosomal peptide synthesis. Through multiplexed LC-MS/MS measurement of hydroxamates, the HAMA assay records specificity profiles of these enzymes in a snap.
Adenylation enzymes selecting substrates for ribosomal and nonribosomal protein and peptide biosynthesis have been popular targets of enzyme engineering. Previous standard assays for adenylation specificity have been cumbersome and failed to reflect the competition conditions inside a cell because they measure substrates one at a time. We have developed an adenylation assay based on hydroxamate quenching and LC-MS/MS detection of hydroxamate products testing dozens of competing amino acid substrates in parallel. Streamlined specificity profiling of adenylation enzymes will facilitate engineering and directed evolution of ribosomal and nonribosomal peptide synthesis.
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Affiliation(s)
- Aleksa Stanišić
- Independent Junior Research Group Biosynthetic Design of Natural Products , Leibniz Institute for Natural Product Research and Infection Biology e.V. , Hans Knöll Institute (HKI Jena) , Beutenbergstr. 11a , 07745 Jena , Germany .
| | - Annika Hüsken
- Independent Junior Research Group Biosynthetic Design of Natural Products , Leibniz Institute for Natural Product Research and Infection Biology e.V. , Hans Knöll Institute (HKI Jena) , Beutenbergstr. 11a , 07745 Jena , Germany .
| | - Hajo Kries
- Independent Junior Research Group Biosynthetic Design of Natural Products , Leibniz Institute for Natural Product Research and Infection Biology e.V. , Hans Knöll Institute (HKI Jena) , Beutenbergstr. 11a , 07745 Jena , Germany .
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Ishikawa F, Tanabe G. Chemical Strategies for Visualizing and Analyzing Endogenous Nonribosomal Peptide Synthetase (NRPS) Megasynthetases. Chembiochem 2019; 20:2032-2040. [PMID: 31134733 DOI: 10.1002/cbic.201900186] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2019] [Revised: 05/27/2019] [Indexed: 12/22/2022]
Abstract
Nonribosomal peptide (NRP) natural products are among the most promising resources for drug discovery and development, owing to their wide range of biological activities and therapeutic applications. These peptide metabolites are biosynthesized by large multienzyme machinery known as NRP synthetases (NRPSs). The structural complexity of a number of NRPs poses an enormous challenge in their synthesis. A major issue in this field is reprogramming NRPS machineries to allow the biosynthetic production of artificial peptides. NRPS adenylation (A) domains are responsible for the incorporation of a wide variety of amino acids and can be considered as reprogramming sites; therefore, advanced methods to accelerate the functional prediction and assessment of A-domains are required. This Concept article demonstrates that activity-based protein profiling of NRPSs offers a simple, rapid, and robust analytical platform for A-domains and provides insights into enzyme-substrate candidates and active-site microenvironments. It also describes the background associated with the development and application of a method to analyze endogenous NRPS machinery in its natural environment.
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Affiliation(s)
- Fumihiro Ishikawa
- Faculty of Pharmacy, Kindai University, 3-4-1 Kowakae, Higashi-Osaka, Osaka, 577-8502, Japan
| | - Genzoh Tanabe
- Faculty of Pharmacy, Kindai University, 3-4-1 Kowakae, Higashi-Osaka, Osaka, 577-8502, Japan
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