Crystal structure and biochemical characterization of O-acetylhomoserine acetyltransferase from Mycobacterium smegmatis ATCC 19420.
Crystal structure and biochemical characterization of O-acetylhomoserine acetyltransferase from Mycobacterium smegmatis ATCC 19420.
复制标题
耻垢分枝杆菌 ATCC 19420 的 O-乙酰高丝氨酸乙酰转移酶的晶体结构和生化特征。
DOI:
10.1016/j.bbrc.2019.07.117
复制
发表时间:
2019
影响因子:
3.1
通讯作者:
Kyung
中科院分区:
文献类型:
--
作者:
Hye;Jiyeon Hong;Kyung
Mycobacterium smegmatisis a good model for studying the physiology and pathogenesis ofMycobacterium tuberculosisdue to its genetic similarity. As methionine biosynthesis exists only in microorganisms, the enzymes involved in methionine biosynthesis can be a potential target for novel antibiotics. Homoserine O-acetyltransferase fromM. smegmatis(MsHAT) catalyzes the transfer of acetyl-group from acetyl-CoA to homoserine. To investigate the molecular mechanism ofMsHAT, we determined its crystal structure in apo-form and in complex with either CoA or homoserine and revealed the substrate binding mode ofMsHAT. A structural comparison ofMsHAT with other HATs suggests that the conformation of the α5 to α6 region might influence the shape of the dimer. In addition, the active site entrance shows an open or closed conformation and might determine the substrate binding affinity of HATs.
影响因子:
6.7
作者:
Schoenfelder SM;Marincola G;Geiger T;Goerke C;Wolz C;Ziebuhr W
通讯作者:
Ziebuhr W
影响因子:
5.4
作者:
Shiloh, Michael U.;Champion, Patricia A. DiGiuseppe
通讯作者:
Champion, Patricia A. DiGiuseppe
影响因子:
2.9
作者:
Born, TL;Franklin, M;Blanchard, JS
通讯作者:
Blanchard, JS