Study of IspH, a Key Enzyme in the Methylerythritol Phosphate Pathway Using Fluoro-Substituted Substrate Analogues
作者:Youli Xiao、Wei-chen Chang、Hung-wen Liu、Pinghua Liu
DOI:10.1021/ol202559r
日期:2011.11.4
IspH, a [4Fe-4S]-cluster-containing enzyme, catalyzes the reductive dehydroxylation of 4-hydroxy-3-methyl-butenyl diphosphate (HMBPP) to isopentenyl diphosphate (IPP) and dimethylallyl diphosphate (DMAPP) in the methylerythritol phosphate pathway. Studies of IspH using fluoro-substituted substrate analogues to dissect the contributions of several factors to IspH catalysis, including the coordination
IspH 是一种含 [4Fe-4S] 簇的酶,可在甲基赤藓糖醇磷酸酯途径中催化 4-羟基-3-甲基-丁烯基二磷酸 (HMBPP) 还原脱羟基为异戊烯二磷酸 (IPP) 和二甲基烯丙基二磷酸 (DMAPP)。使用氟取代底物类似物对 IspH 进行研究,以剖析几个因素对 IspH 催化的贡献,包括 HMBPP C 4 –OH 基团与铁硫簇的配位、活性位点中的 H 键网络以及报道了基板的电子特性。