Pyridine Inhibitor Binding to the 4Fe-4S Protein A. aeolicus IspH (LytB): A HYSCORE Investigation

被引:35
作者
Wang, Weixue [1 ]
Li, Jikun [1 ]
Wang, Ke [2 ]
Smirnova, Tatyana I. [3 ]
Oldfield, Eric [1 ,2 ]
机构
[1] Univ Illinois, Ctr Biophys & Computat Biol, Urbana, IL 61801 USA
[2] Univ Illinois, Dept Chem, Urbana, IL 61801 USA
[3] N Carolina State Univ, Dept Chem, Raleigh, NC 27695 USA
基金
美国国家科学基金会;
关键词
METHYLERYTHRITOL PHOSPHATE-PATHWAY; ISOPRENOID BIOSYNTHESIS; DIPHOSPHATE REDUCTASE; 2FE-2S CLUSTER; PULSE EPR; GCPE; SPECTROSCOPY; COMPLEXES; MECHANISM; HISTIDINE;
D O I
10.1021/ja2008455
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
IspH is a 4Fe-4S protein that carries out an essential reduction step in isoprenoid biosynthesis. Using hyperfine sublevel correlation (HYSCORE) spectroscopy, we show that pyridine inhibitors of IspH directly bind to the unique fourth Fe in the 4Fe-4S cluster, opening up new routes to inhibitor design, of interest in the context of both anti-bacterial as well as anti-malarial drug discovery.
引用
收藏
页码:6525 / 6528
页数:4
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