3-DIMENSIONAL STRUCTURES OF THE CENTRAL REGULATORY PROTEINS OF THE BACTERIAL PHOSPHOTRANSFERASE SYSTEM, HPR AND ENZYME-IIAGLC

被引：16

作者：

CHEN, Y ^{[1
]}

FAIRBROTHER, WJ ^{[1
]}

WRIGHT, PE ^{[1
]}

机构：

[1] GENENTECH INC, DEPT PROT ENGN, SAN FRANCISCO, CA 91080 USA

来源：

JOURNAL OF CELLULAR BIOCHEMISTRY | 1993年 / 51卷 / 01期

关键词：

IIAGLC; HPR; PHOSPHOTRANSFERASE SYSTEM; 3D STRUCTURES;

D O I：

10.1002/jcb.240510114

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

Enzyme IIA and HPr are central regulatory proteins of the bacterial phosphoenolpyruvate:sugar phosphotransferase (PTS) system. Three-dimensional structures of the glucose enzyme IIA domain (IIA(glc)) and HPr of Bacillus subtilis and Escherichia coli have been studied by both X-ray crystallography and Nuclear Magnetic Resonance (NMR) Spectroscopy. Phosphorylation of HPr of B. subtilis and IIA(glc) of E. coli have also been characterized by NMR spectroscopy. In addition, the binding interfaces of B. subtilis HPr and IIA(glc) have been identified from backbone chemical shift changes. This paper reviews these recent advances in the understanding of the three-dimensional structures of HPr and IIA(glc) and their interaction with each other.

引用

页码：75 / 82

页数：8

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