Masked cerulenin enables a dual-site selective protein crosslink.

Masked cerulenin enables a dual-site selective protein crosslink.
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DOI:
10.1039/d3sc02864j
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发表时间:
2023-10-11
期刊:
影响因子:
8.4
通讯作者:
Burkart, Michael D.
Burkart, Michael D.
中科院分区:
化学1区
文献类型:
--
作者:
Jiang, Ziran;Chen, Aochiu;Chen, Jeffrey;Sekhon, Arman;Louie, Gordon V.;Noel, Joseph P.;La Clair, James J.;Burkart, Michael D.

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Protein-reactive natural products such as the fungal metabolite cerulenin are recognized for their value as therapeutic candidates, due to their ability to selectively react with catalytic residues within a protein active site or a complex of protein domains. Here, we explore the development of fatty-acid and polyketide-synthase probes by synthetically modulating cerulenin's functional moieties. Using a mechanism-based approach, we reveal unique reactivity within cerulenin and adapt it for fluorescent labeling and crosslinking of fatty-acid and iterative type-I polyketide synthases. We also describe two new classes of silylcyanohydrin and silylhemiaminal masked crosslinking probes that serve as new tools for activity and structure studies of these biosynthetic pathways. Translation of the natural product cerulenin into probe for fluorescent labeling and masked crosslinker to evaluate protein–protein interactivity.
DOI: 10.1039/d1sc07256k
发表时间: 2022-04-13
期刊: CHEMICAL SCIENCE
影响因子: 8.4
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