A Leader-Guided Substrate Tolerant RiPP Brominase Allows Suzuki-Miyaura Cross-Coupling Reactions for Peptides and Proteins.
A Leader-Guided Substrate Tolerant RiPP Brominase Allows Suzuki-Miyaura Cross-Coupling Reactions for Peptides and Proteins.
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DOI:
10.1021/acs.biochem.3c00222
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发表时间:
2023-06-20
期刊:
影响因子:
2.9
通讯作者:
Agarwal, Vinayak
中科院分区:
文献类型:
--
作者:
Nguyen, Nguyet A.;Agarwal, Vinayak
Bioorthogonal derivatization of peptides and proteins enables investigations into their biological function and allows for exploitation of their therapeutic potential, among other varied deliverables. Herein, we describe a marine halogenating enzyme-assisted bioconjugation strategy in which an N-terminal leader peptide guides bromination of a C-terminal Trp residue in genetically encoded peptides and proteins, setting up further Trp arylation by Suzuki–Miyaura reactions. The bromination and subsequent cross-coupling reactions are residue-specific and regiospecific for the indole-6 position, occur under mild aqueous conditions, and do not require any modification of other Trp residues in the substrate peptide and/or protein. Workflows described herein demonstrate the applicability of halogenating enzymes in bioorthogonal conjugation chemistry.
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