期刊
CURRENT OPINION IN CHEMICAL BIOLOGY
卷 65, 期 -, 页码 118-125出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.cbpa.2021.07.002
关键词
Lipidation; S-palmitoylation; 2-Bromopalmitate; CMA; Acyltransfer-ase; Thioester
Protein S-acylation is a dynamically regulated post-translational protein lipidation process, with DHHC proteins being recognized as critical regulators of S-acylation-mediated cellular processes. The increasing demand for chemical inhibitors of DHHC proteins has led to focus on inhibitors such as 2-bromopalmitate and N-cyanomethyl-N-myracrylamide. Advances in structure elucidation, mechanistic interrogation, and novel inhibitor design around DHHC proteins are expected to spark innovative strategies for modulating these critical proteins in living systems.
Protein S-acylation is a prevalent post-translational protein lipidation that is dynamically regulated by 'writer' protein Sacyltransferases and 'eraser' acylprotein thioesterases. The protein S-acyltransferases comprise 23 aspartate-histidine- histidine-cysteine (DHHC)-containing proteins, which transfer fatty acid acyl groups from acyl-coenzyme A onto protein substrates. DHHC proteins are increasingly recognized as critical regulators of S-acylation-mediated cellular processes and pathology. As our understanding of the importance and breadth of DHHC-mediated biology and pathology expands, so too does the need for chemical inhibitors of this class of proteins. In this review, we discuss the challenges and progress in DHHC inhibitor development, focusing on 2-bromopalmitate, the most commonly used inhibitor in the field, and N-cyanomethyl-N-myracrylamide, a new broad-spectrum DHHC inhibitor. We believe that current and ongoing advances in structure elucidation, mechanistic interrogation, and novel inhibitor design around DHHC proteins will spark innovative strategies to modulate these critical proteins in living systems.
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