Mechanism-Based Inhibitors of the Human Sirtuin 5 Deacylase: Structure-Activity Relationship, Biostructural, and Kinetic Insight
作者:Nima Rajabi、Marina Auth、Kathrin R. Troelsen、Martin Pannek、Dhaval P. Bhatt、Martin Fontenas、Matthew D. Hirschey、Clemens Steegborn、Andreas S. Madsen、Christian A. Olsen
DOI:10.1002/anie.201709050
日期:2017.11.20
The sirtuin enzymes are important regulatory deacylases in a variety of biochemical contexts and may therefore be potential therapeutic targets through either activation or inhibition by small molecules. Here, we describe the discovery of the most potent inhibitor of sirtuin 5 (SIRT5) reported to date. We provide rationalization of the mode of binding by solving co‐crystal structures of selected inhibitors
sirtuin酶在各种生化环境中是重要的调节性去酰基化酶,因此可能通过小分子的激活或抑制而成为潜在的治疗靶标。在这里,我们描述了迄今为止报道的最有效的sirtuin 5(SIRT5)抑制剂的发现。通过解决与人类和斑马鱼SIRT5复杂的选定抑制剂的共晶体结构,我们提供了结合模式的合理化方法,这为进一步优化具有更多“类药物”性质的抑制剂提供了见识。重要的是,酶动力学评估显示出缓慢,紧密的抑制机制,这对于SIRT5而言是前所未有的。当将抑制剂应用于生物学探测机制时,这是重要的信息。