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STY, a tyrosine-phosphorylating enzyme with sequence homology to serine/threonine kinases.


ABSTRACT: 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.

SUBMITTER: Howell BW 

PROVIDER: S-EPMC359671 | biostudies-other | 1991 Jan

REPOSITORIES: biostudies-other

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STY, a tyrosine-phosphorylating enzyme with sequence homology to serine/threonine kinases.

Howell B W BW   Afar D E DE   Lew J J   Douville E M EM   Icely P L PL   Gray D A DA   Bell J C JC  

Molecular and cellular biology 19910101 1


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 tran  ...[more]

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