The cdk2 binding domain of p27(Kip) correlates with the inhibition of the kinase activity of cdk2/cyclin complexes

被引:9
|
作者
Kwon, TK [1 ]
Buchholz, MA [1 ]
Nordin, AA [1 ]
机构
[1] NIA,CLIN IMMUNOL SECT,CTR GERONTOL RES,NIH,BALTIMORE,MD 21224
关键词
D O I
10.1006/bbrc.1996.0468
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
The cyclin-dependent kinase inhibitor p27(Kip) binds to cyclin/cyclin-dependent kinases and preferentially inhibits the catalytic activity of cdk2 and cdk4. The cdk2 binding domain of p27(Kip) was determined using a series of N-terminal truncated and point mutations of GST-p27(Kip). The binding domain was contained within amino acid residues 53-85. The inhibition of the catalytic activity of preformed functional cdk2/cyclin complexes by p27(Kip) was also associated with the binding domain.
引用
收藏
页码:703 / 709
页数:7
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