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Sactipeptide Engineering by Probing the Substrate Tolerance of a Thioether‐Bond‐Forming Sactisynthase

Ali, Ataurehman ; Happel, Dominic ; Habermann, Jan ; Schoenfeld, Katrin ; Macarrón Palacios, Arturo ; Bitsch, Sebastian ; Englert, Simon ; Schneider, Hendrik ; Avrutina, Olga ; Fabritz, Sebastian ; Kolmar, Harald (2022)
Sactipeptide Engineering by Probing the Substrate Tolerance of a Thioether‐Bond‐Forming Sactisynthase.
In: Angewandte Chemie International Edition, 61 (45)
doi: 10.1002/anie.202210883
Artikel, Bibliographie

Dies ist die neueste Version dieses Eintrags.

Kurzbeschreibung (Abstract)

Sactipeptides are ribosomally synthesized peptides containing a unique sulfur to α‐carbon crosslink. Catalyzed by sactisynthases, this thioether pattern endows sactipeptides with enhanced structural, thermal, and proteolytic stability, which makes them attractive scaffolds for the development of novel biotherapeutics. Herein, we report the in‐depth study on the substrate tolerance of the sactisynthase AlbA to catalyze the formation of thioether bridges in sactipeptides. We identified a possible modification site within the sactipeptide subtilosin A allowing for peptide engineering without compromising formation of thioether bridges. A panel of natural and hybrid sactipeptides was produced to study the AlbA‐mediated formation of thioether bridges, which were identified mass‐spectrometrically. In a proof‐of‐principle study, we re‐engineered subtilosin A to a thioether‐bridged, specific streptavidin targeting peptide, opening the door for the functional engineering of sactipeptides.

Typ des Eintrags: Artikel
Erschienen: 2022
Autor(en): Ali, Ataurehman ; Happel, Dominic ; Habermann, Jan ; Schoenfeld, Katrin ; Macarrón Palacios, Arturo ; Bitsch, Sebastian ; Englert, Simon ; Schneider, Hendrik ; Avrutina, Olga ; Fabritz, Sebastian ; Kolmar, Harald
Art des Eintrags: Bibliographie
Titel: Sactipeptide Engineering by Probing the Substrate Tolerance of a Thioether‐Bond‐Forming Sactisynthase
Sprache: Englisch
Publikationsjahr: 2022
Ort: Darmstadt
Verlag: Wiley-VCH
Titel der Zeitschrift, Zeitung oder Schriftenreihe: Angewandte Chemie International Edition
Jahrgang/Volume einer Zeitschrift: 61
(Heft-)Nummer: 45
Kollation: 8 Seiten
DOI: 10.1002/anie.202210883
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Kurzbeschreibung (Abstract):

Sactipeptides are ribosomally synthesized peptides containing a unique sulfur to α‐carbon crosslink. Catalyzed by sactisynthases, this thioether pattern endows sactipeptides with enhanced structural, thermal, and proteolytic stability, which makes them attractive scaffolds for the development of novel biotherapeutics. Herein, we report the in‐depth study on the substrate tolerance of the sactisynthase AlbA to catalyze the formation of thioether bridges in sactipeptides. We identified a possible modification site within the sactipeptide subtilosin A allowing for peptide engineering without compromising formation of thioether bridges. A panel of natural and hybrid sactipeptides was produced to study the AlbA‐mediated formation of thioether bridges, which were identified mass‐spectrometrically. In a proof‐of‐principle study, we re‐engineered subtilosin A to a thioether‐bridged, specific streptavidin targeting peptide, opening the door for the functional engineering of sactipeptides.

Freie Schlagworte: Bioengineering, Miniproteins, RiPPs, Sactipeptides, Sactisynthases
Zusätzliche Informationen:

International Version

Sachgruppe der Dewey Dezimalklassifikatin (DDC): 500 Naturwissenschaften und Mathematik > 540 Chemie
500 Naturwissenschaften und Mathematik > 570 Biowissenschaften, Biologie
Fachbereich(e)/-gebiet(e): Interdisziplinäre Forschungsprojekte
Interdisziplinäre Forschungsprojekte > Centre for Synthetic Biology
07 Fachbereich Chemie
07 Fachbereich Chemie > Clemens-Schöpf-Institut > Fachgebiet Biochemie
07 Fachbereich Chemie > Clemens-Schöpf-Institut
Hinterlegungsdatum: 02 Aug 2024 12:47
Letzte Änderung: 02 Aug 2024 12:47
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