Exploring Covalent Bond Formation at Tyr‐82 for Inhibition of Ral GTPase Activation
作者:Alexander D. Landgraf、I‐Ju Yeh、Mona K. Ghozayel、Khuchtumur Bum‐Erdene、Giovanni Gonzalez‐Gutierrez、Samy O. Meroueh
DOI:10.1002/cmdc.202300272
日期:2023.8.15
Ral RAS GTPases are directly activated by KRAS through a trimeric complex with a guanine exchange factor. Ral is considered undruggable and lacks an accessible cysteine for covalent drug development. Previously we had reported an aryl sulfonyl fluoride fragment that formed a covalent bond at Tyr-82 on Ral and created a deep and well-defined pocket. Here, we explore this pocket further through the design
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