FRET Monitoring of a Nonribosomal Peptide Synthetase Elongation Module Reveals Carrier Protein Shuttling between Catalytic Domains
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.
- Standort
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Deutsche Nationalbibliothek Frankfurt am Main
- Umfang
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Online-Ressource
- Sprache
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Englisch
- Erschienen in
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FRET Monitoring of a Nonribosomal Peptide Synthetase Elongation Module Reveals Carrier Protein Shuttling between Catalytic Domains ; day:26 ; month:10 ; year:2022 ; extent:1
Angewandte Chemie / International edition. International edition ; (26.10.2022) (gesamt 1)
- Urheber
- DOI
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10.1002/anie.202212994
- URN
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urn:nbn:de:101:1-2022102715254656285397
- Rechteinformation
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Letzte Aktualisierung
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15.08.2025, 07:25 MESZ
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Beteiligte
- Rüschenbaum, Jennifer
- Steinchen, Wieland
- Mayerthaler, Florian
- Feldberg, Anna‐Lena
- Mootz, Henning D.
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