Biosynthesis of the Urease Metallocenter

被引:91
作者
Farrugia, Mark A. [1 ]
Macomber, Lee [2 ]
Hausinger, Robert P. [1 ,2 ]
机构
[1] Michigan State Univ, Dept Biochem & Mol Biol, E Lansing, MI 48824 USA
[2] Michigan State Univ, Dept Microbiol & Mol Genet, E Lansing, MI 48824 USA
基金
美国国家卫生研究院;
关键词
KLEBSIELLA-AEROGENES UREASE; HELICOBACTER-PYLORI UREASE; ALLELIC EXCHANGE MUTAGENESIS; ACCESSORY PROTEIN; CRYSTAL-STRUCTURE; NICKEL METALLOCENTER; BACILLUS-PASTEURII; GASTRIC PATHOGEN; BINDING PROTEIN; METAL-BINDING;
D O I
10.1074/jbc.R112.446526
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
Metalloenzymes often require elaborate metallocenter assembly systems to create functional active sites. The medically important dinuclear nickel enzyme urease provides an excellent model for studying metallocenter assembly. Nickel is inserted into the urease active site in a GTP-dependent process with the assistance of UreD/UreH, UreE, UreF, and UreG. These accessory proteins orchestrate apoprotein activation by delivering the appropriate metal, facilitating protein conformational changes, and possibly providing a requisite post-translational modification. The activation mechanism and roles of each accessory protein in urease maturation are the subject of ongoing studies, with the latest findings presented in this minireview.
引用
收藏
页码:13178 / 13185
页数:8
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