STY, A TYROSINE-PHOSPHORYLATING ENZYME WITH SEQUENCE HOMOLOGY TO SERINE THREONINE KINASES

被引:128
作者
HOWELL, BW
AFAR, DEH
LEW, J
DOUVILLE, EMJ
ICELY, PLE
GRAY, DA
BELL, JC
机构
[1] UNIV OTTAWA,DEPT BIOCHEM,451 SMYTH RD,OTTAWA K1H 8M5,ONTARIO,CANADA
[2] UNIV OTTAWA,DEPT MED,OTTAWA K1H 8M5,ONTARIO,CANADA
[3] MCGILL UNIV,DEPT BIOCHEM,MONTREAL H3G 1Y6,QUEBEC,CANADA
关键词
D O I
10.1128/MCB.11.1.568
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
We have cloned a novel kinase (STY) from an embryonal carcinoma cell line. Sequence analysis of the STY cDNA reveals that it shares sequence homology with serine/threonine-type kinases and yet the bacterial expression product of the STY cDNA appears to have serine-, threonine-, and tyrosine-phosphorylating activities. The predicted STY protein is highly basic and contains a putative nuclear localization signal. During differentiation, two new mRNAs were detected in addition to the embryonic transcript.
引用
收藏
页码:568 / 572
页数:5
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