Covalent Inhibitors of Protein-Protein Interactions Targeting Lysine, Tyrosine, or Histidine Residues.
Covalent Inhibitors of Protein-Protein Interactions Targeting Lysine, Tyrosine, or Histidine Residues.
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DOI:
10.1021/acs.jmedchem.9b00561
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发表时间:
2019-06-13
影响因子:
7.3
通讯作者:
Pellecchia M
中科院分区:
文献类型:
--
作者:
Gambini L;Baggio C;Udompholkul P;Jossart J;Salem AF;Perry JJP;Pellecchia M
We have recently reported on a series of Lys-covalent agents targeting the BIR3 domain of the X-linked Inhibitor of Apoptosis Protein (XIAP) using a benzamide-sulfonyl fluoride warhead. Using XIAP as a model system, we further investigated a variety of additional warheads that can be easily incorporated into binding peptides, and analyzed their ability to form covalent adducts with lysine and other amino acids, including tyrosine, histidine, serine, and threonine, using biochemical and biophysical assays. Moreover, we tested aqueous, plasma stability, cell permeability, and cellular efficacy of the most effective agents. These studies identified aryl-fluoro sulfates as likely the most suitable electrophiles to effectively form covalent adducts with Lys, Tyr, and His residues, given that these agents were cell permeable, and stable in aqueous buffer and in plasma. Our studies contain a number of general findings that open new possible avenues for the design of potent covalent PPIs antagonists.
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影响因子:
7.3
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通讯作者:
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