Simultaneous Covalent Modification of K-Ras(G12D) and K-Ras(G12C) with Tunable Oxirane Electrophiles.
Journal of the American Chemical Society(2023)
摘要
Owing to their remarkable pharmaceutical properties compared to those of noncovalent inhibitors, the development of targeted covalent inhibitors (TCIs) has emerged as a powerful method for cancer treatment. The K-Ras mutant, which is prevalent in multiple cancers, has been confirmed to be a crucial drug target in the treatment of various malignancies. However, although the K-Ras(G12D) mutation is present in up to 33% of K-Ras mutations, no covalent inhibitors targeting K-Ras(G12D) have been developed to date. The relatively weak nucleophilicity of the acquired aspartic acid (12D) residue in K-Ras may be the reason for this. Herein, we present the first compound capable of covalently engaging both K-Ras(G12D) and K-Ras(G12C) mutants. Proteome profiling revealed that this compound effectively conjugates with G12C and G12D residues, modulating the protein functions . These findings offer a unique pathway for the development of novel dual covalent inhibitors.
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关键词
covalent,k-ras,k-ras
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