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Folger IB, Frota NF, Pistofidis A, Niquille DL, Hansen DA, Schmeing TM, Hilvert D. High-throughput reprogramming of an NRPS condensation domain. Nat Chem Biol 2024; 20:761-769. [PMID: 38308044 PMCID: PMC11142918 DOI: 10.1038/s41589-023-01532-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2023] [Accepted: 12/19/2023] [Indexed: 02/04/2024]
Abstract
Engineered biosynthetic assembly lines could revolutionize the sustainable production of bioactive natural product analogs. Although yeast display is a proven, powerful tool for altering the substrate specificity of gatekeeper adenylation domains in nonribosomal peptide synthetases (NRPSs), comparable strategies for other components of these megaenzymes have not been described. Here we report a high-throughput approach for engineering condensation (C) domains responsible for peptide elongation. We show that a 120-kDa NRPS module, displayed in functional form on yeast, can productively interact with an upstream module, provided in solution, to produce amide products tethered to the yeast surface. Using this system to screen a large C-domain library, we reprogrammed a surfactin synthetase module to accept a fatty acid donor, increasing catalytic efficiency for this noncanonical substrate >40-fold. Because C domains can function as selectivity filters in NRPSs, this methodology should facilitate the precision engineering of these molecular assembly lines.
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Affiliation(s)
- Ines B Folger
- Laboratory of Organic Chemistry, ETH Zurich, Zurich, Switzerland
| | - Natália F Frota
- Department of Biochemistry and Centre de Recherche en Biologie Structurale, McGill University, Montréal, Quebec, Canada
| | - Angelos Pistofidis
- Department of Biochemistry and Centre de Recherche en Biologie Structurale, McGill University, Montréal, Quebec, Canada
| | - David L Niquille
- Laboratory of Organic Chemistry, ETH Zurich, Zurich, Switzerland
| | - Douglas A Hansen
- Laboratory of Organic Chemistry, ETH Zurich, Zurich, Switzerland
| | - T Martin Schmeing
- Department of Biochemistry and Centre de Recherche en Biologie Structurale, McGill University, Montréal, Quebec, Canada
| | - Donald Hilvert
- Laboratory of Organic Chemistry, ETH Zurich, Zurich, Switzerland.
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2
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Li R, Lichstrahl MS, Zandi TA, Kahlert L, Townsend CA. The dabABC operon is a marker of C4-alkylated monobactam biosynthesis and responsible for ( 2S, 3R)-diaminobutyrate production. iScience 2024; 27:109202. [PMID: 38433893 PMCID: PMC10906522 DOI: 10.1016/j.isci.2024.109202] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2023] [Revised: 01/12/2024] [Accepted: 02/07/2024] [Indexed: 03/05/2024] Open
Abstract
Non-ribosomal peptide synthetases (NRPSs) assemble metabolites of medicinal and commercial value. Both serine and threonine figure prominently in these processes and separately can be converted to the additional NRPS building blocks 2,3-diaminopropionate (Dap) and 2,3-diaminobutyrate (Dab). Here we bring extensive bioinformatics, in vivo and in vitro experimentation to compose a unified view of the biosynthesis of these widely distributed non-canonical amino acids that both derive by pyridoxal-mediated β-elimination of the activated O-phosphorylated substrates followed by β-addition of an amine donor. By examining monobactam biosynthesis in Pseudomonas and in Burkholderia species where it is silent, we show that (2S,3R)-Dab synthesis depends on an l-threonine kinase (DabA), a β-replacement reaction with l-aspartate (DabB) and an argininosuccinate lyase-like protein (DabC). The growing clinical importance of monobactams to both withstand Ambler Class B metallo-β-lactamases and retain their antibiotic activity make reprogrammed precursor and NRPS synthesis of modified monobactams a feasible and attractive goal.
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Affiliation(s)
- Rongfeng Li
- Department of Chemistry, The Johns Hopkins University, 3400 N Charles St, Baltimore, MD, USA
| | - Michael S. Lichstrahl
- Department of Chemistry, The Johns Hopkins University, 3400 N Charles St, Baltimore, MD, USA
| | - Trevor A. Zandi
- T. C. Jenkins Department of Biophysics, The Johns Hopkins University, Baltimore, MD, USA
| | - Lukas Kahlert
- Department of Chemistry, The Johns Hopkins University, 3400 N Charles St, Baltimore, MD, USA
| | - Craig A. Townsend
- Department of Chemistry, The Johns Hopkins University, 3400 N Charles St, Baltimore, MD, USA
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3
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Hou A, Dickschat JS. Labelling studies in the biosynthesis of polyketides and non-ribosomal peptides. Nat Prod Rep 2023; 40:470-499. [PMID: 36484402 DOI: 10.1039/d2np00071g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Covering: 2015 to 2022In this review, we discuss the recent advances in the use of isotopically labelled compounds to investigate the biosynthesis of polyketides, non-ribosomally synthesised peptides, and their hybrids. Also, we highlight the use of isotopes in the elucidation of their structures and investigation of enzyme mechanisms. The biosynthetic pathways of selected examples are presented in detail to reveal the principles of the discussed labelling experiments. The presented examples demonstrate that the application of isotopically labelled compounds is still the state of the art and can provide valuable information for the biosynthesis of natural products.
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Affiliation(s)
- Anwei Hou
- Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, West 7th Avenue No. 32, 300308 Tianjin, China.,Institute of Microbiology, Jiangxi Academy of Sciences, Changdong Road No. 7777, 330096 Nanchang, China
| | - Jeroen S Dickschat
- Kekulé-Institute for Organic Chemistry and Biochemistry, University of Bonn, Gerhard-Domagk-Straße 1, 53121 Bonn, Germany.
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4
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Patel KD, Ahmed SF, MacDonald MR, Gulick AM. Structural Studies of Modular Nonribosomal Peptide Synthetases. Methods Mol Biol 2023; 2670:17-46. [PMID: 37184698 DOI: 10.1007/978-1-0716-3214-7_2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/16/2023]
Abstract
The non-ribosomal peptide synthetases (NRPSs) are a family of modular enzymes involved in the production of peptide natural products. Not restricted by the constraints of ribosomal peptide and protein production, the NRPSs are able to incorporate unusual amino acids and other suitable building blocks into the final product. The NRPSs operate with an assembly line strategy in which peptide intermediates are covalently tethered to a peptidyl carrier protein and transported to different catalytic domains for the multiple steps in the biosynthesis. Often the carrier and catalytic domains are joined into a single large multidomain protein. This chapter serves to introduce the NRPS enzymes, using the nocardicin NRPS system as an example that highlights many common features to NRPS biochemistry. We then describe recent advances in the structural biology of NRPSs focusing on large multidomain structures that have been determined.
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Affiliation(s)
- Ketan D Patel
- Department of Structural Biology, University at Buffalo, SUNY, Buffalo, NY, USA
| | - Syed Fardin Ahmed
- Department of Structural Biology, University at Buffalo, SUNY, Buffalo, NY, USA
| | - Monica R MacDonald
- Department of Structural Biology, University at Buffalo, SUNY, Buffalo, NY, USA
| | - Andrew M Gulick
- Department of Structural Biology, University at Buffalo, SUNY, Buffalo, NY, USA.
- Department of Structural Biology, Jacobs School of Medicine & Biomedical Sciences, Buffalo, NY, USA.
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5
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Patteson JB, Fortinez CM, Putz AT, Rodriguez-Rivas J, Bryant LH, Adhikari K, Weigt M, Schmeing TM, Li B. Structure and Function of a Dehydrating Condensation Domain in Nonribosomal Peptide Biosynthesis. J Am Chem Soc 2022; 144:14057-14070. [PMID: 35895935 DOI: 10.1021/jacs.1c13404] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Dehydroamino acids are important structural motifs and biosynthetic intermediates for natural products. Many bioactive natural products of nonribosomal origin contain dehydroamino acids; however, the biosynthesis of dehydroamino acids in most nonribosomal peptides is not well understood. Here, we provide biochemical and bioinformatic evidence in support of the role of a unique class of condensation domains in dehydration (CmodAA). We also obtain the crystal structure of a CmodAA domain, which is part of the nonribosomal peptide synthetase AmbE in the biosynthesis of the antibiotic methoxyvinylglycine. Biochemical analysis reveals that AmbE-CmodAA modifies a peptide substrate that is attached to the donor carrier protein. Mutational studies of AmbE-CmodAA identify several key residues for activity, including four residues that are mostly conserved in the CmodAA subfamily. Alanine mutation of these conserved residues either significantly increases or decreases AmbE activity. AmbE exhibits a dimeric conformation, which is uncommon and could enable transfer of an intermediate between different protomers. Our discovery highlights a central dehydrating function for CmodAA domains that unifies dehydroamino acid biosynthesis in diverse nonribosomal peptide pathways. Our work also begins to shed light on the mechanism of CmodAA domains. Understanding CmodAA domain function may facilitate identification of new natural products that contain dehydroamino acids and enable engineering of dehydroamino acids into nonribosomal peptides.
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Affiliation(s)
- Jon B Patteson
- Department of Chemistry, The University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
| | - Camille Marie Fortinez
- Department of Biochemistry and Centre de recherche en biologie structurale, McGill University, Montréal, Canada H3G 0B1
| | - Andrew T Putz
- Department of Chemistry, The University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
| | - Juan Rodriguez-Rivas
- Sorbonne Université, CNRS, Institut de Biologie Paris Seine, Biologie Computationnelle et Quantitative - LCQB, Paris 75005, France
| | - L Henry Bryant
- Department of Chemistry, The University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
| | - Kamal Adhikari
- Department of Biochemistry and Centre de recherche en biologie structurale, McGill University, Montréal, Canada H3G 0B1
| | - Martin Weigt
- Sorbonne Université, CNRS, Institut de Biologie Paris Seine, Biologie Computationnelle et Quantitative - LCQB, Paris 75005, France
| | - T Martin Schmeing
- Department of Biochemistry and Centre de recherche en biologie structurale, McGill University, Montréal, Canada H3G 0B1
| | - Bo Li
- Department of Chemistry, The University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
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Parkman JA, Barksdale CA, Michaelis DJ. CAN: A new program to streamline preparation of molecular coordinate files for molecular dynamics simulations. J Comput Chem 2021; 42:2031-2035. [PMID: 34411332 DOI: 10.1002/jcc.26729] [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: 05/07/2021] [Revised: 06/29/2021] [Accepted: 07/25/2021] [Indexed: 01/03/2023]
Abstract
Preparing molecular coordinate files for molecular dynamics (MD) simulations can be a very time-consuming process. Herein we present the development of a user-friendly program that drastically reduces the time required to prepare these molecular coordinate files for MD software packages such as AmberTools. Our program, known as charge atomtype naming (CAN), creates and uses a library of structures such as amino acid monomers to update the charge, atom type, and name of atoms in any molecular structure (mol2) file. We demonstrate the utility of this new program by rapidly preparing structural files for MD simulations for polypeptides ranging from small molecules to large protein structures. Both native and non-native amino acid residues are easily handled by this new program.
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Affiliation(s)
- Jacob A Parkman
- Department of Chemistry and Biochemistry, Brigham Young University, Provo, Utah, USA
| | - Caleb A Barksdale
- Department of Chemistry and Biochemistry, Brigham Young University, Provo, Utah, USA
| | - David J Michaelis
- Department of Chemistry and Biochemistry, Brigham Young University, Provo, Utah, USA
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7
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Stanišić A, Hüsken A, Stephan P, Niquille DL, Reinstein J, Kries H. Engineered Nonribosomal Peptide Synthetase Shows Opposite Amino Acid Loading and Condensation Specificity. ACS Catal 2021. [DOI: 10.1021/acscatal.1c01270] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Aleksa Stanišić
- Junior Research Group Biosynthetic Design of Natural Products, Leibniz Institute for Natural Product Research and Infection Biology (HKI) e.V., Beutenbergstr. 11a, 07745 Jena, Germany
| | - Annika Hüsken
- Junior Research Group Biosynthetic Design of Natural Products, Leibniz Institute for Natural Product Research and Infection Biology (HKI) e.V., Beutenbergstr. 11a, 07745 Jena, Germany
| | - Philipp Stephan
- Junior Research Group Biosynthetic Design of Natural Products, Leibniz Institute for Natural Product Research and Infection Biology (HKI) e.V., Beutenbergstr. 11a, 07745 Jena, Germany
| | - David L. Niquille
- Synthetic Biology Center, Department of Biological Engineering, Massachusetts Institute of Technology, 500 Technology Square NE47-140, Cambridge, Massachusetts 02139, United States
| | - Jochen Reinstein
- Department of Biomolecular Mechanisms, Max Planck Institute for Medical Research, Jahnstrasse 29, 69120 Heidelberg, Germany
| | - Hajo Kries
- Junior Research Group Biosynthetic Design of Natural Products, Leibniz Institute for Natural Product Research and Infection Biology (HKI) e.V., Beutenbergstr. 11a, 07745 Jena, Germany
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