期刊
JOURNAL OF MEDICINAL CHEMISTRY
卷 64, 期 5, 页码 2501-2520出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.jmedchem.0c01491
关键词
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SUMOylation is a reversible post-translational modification that involves a cascaded enzymatic process and ATP-dependent activation, regulating protein function by attaching SUMO proteins covalently. TAK-981 is a mechanism-based inhibitor of SAE, optimized for selectivity against related enzymes and prolonged mean residence time of the inhibitory adduct, leading to potent cellular pathway inhibition and ultimately high efficacy in preclinical tumor models, resulting in the identification of the clinical molecule TAK-981.
SUMOylation is a reversible post-translational modification that regulates protein function through covalent attachment of small ubiquitin-like modifier (SUMO) proteins. The process of SUMOylating proteins involves an enzymatic cascade, the first step of which entails the activation of a SUMO protein through an ATP-dependent process catalyzed by SUMO-activating enzyme (SAE). Here, we describe the identification of TAK-981, a mechanism-based inhibitor of SAE which forms a SUMO-TAK-981 adduct as the inhibitory species within the enzyme catalytic site. Optimization of selectivity against related enzymes as well as enhancement of mean residence time of the adduct were critical to the identification of compounds with potent cellular pathway inhibition and ultimately a prolonged pharmacodynamic effect and efficacy in preclinical tumor models, culminating in the identification of the clinical molecule TAK-981.
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