Structure-Based Evolution of Low Nanomolar O-GlcNAc Transferase Inhibitors.

Structure-Based Evolution of Low Nanomolar O-GlcNAc Transferase Inhibitors.
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DOI:
10.1021/jacs.8b07328
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发表时间:
2018-10-24
影响因子:
15
通讯作者:
Walker S
Walker S
中科院分区:
化学1区
文献类型:
--
作者:
Martin SES;Tan ZW;Itkonen HM;Duveau DY;Paulo JA;Janetzko J;Boutz PL;Törk L;Moss FA;Thomas CJ;Gygi SP;Lazarus MB;Walker S

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细胞核和细胞质蛋白质的可逆糖基化是后生动物重要的调控机制。一种酶,O-连接的N-乙酰葡糖胺转移酶(OGT),负责所有核质糖基化,并且众所周知需要有效的细胞渗透性抑制剂来询问OGT功能。在这里,我们报告了OGT抑制剂的基于结构的演变,最终产生具有低纳摩尔抑制效力和靶细胞活性的化合物。除了公开有用的OGT抑制剂之外,我们报道的结构提供了如何抑制糖基转移酶的见解,糖基转移酶是众所周知的难以抑制剂发展的酶家族。
Reversible glycosylation of nuclear and cytoplasmic proteins is an important regulatory mechanism across metazoans. One enzyme, O-linked N-acetylglucosamine transferase (OGT), is responsible for all nucleocytoplasmic glycosylation and there is a well-known need for potent, cell-permeable inhibitors to interrogate OGT function. Here we report the structure-based evolution of OGT inhibitors culminating in compounds with low nanomolar inhibitory potency and on-target cellular activity. In addition to disclosing useful OGT inhibitors, the structures we report provide insight into how to inhibit glycosyltransferases, a family of enzymes that has been notoriously refractory to inhibitor development.
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