CLONING AND EXPRESSION OF PROTEIN-TYROSINE PHOSPHATASE-LIKE PROTEIN-DERIVED FROM A RAT PHEOCHROMOCYTOMA CELL-LINE

被引:17
作者
KAMBAYASHI, Y [1 ]
TAKAHASHI, K [1 ]
BARDHAN, S [1 ]
INAGAMI, T [1 ]
机构
[1] VANDERBILT UNIV,SCH MED,DEPT BIOCHEM,NASHVILLE,TN 37232
关键词
D O I
10.1042/bj3060331
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
A novel protein [designated protein tyrosine phosphatase-like protein (PTPLP)] which is distantly related to receptor-type protein tyrosine phosphatases (PTPases) was cloned from a rat pheochromocytoma cell line. The PTPLP was detected exclusively in the brain. Overexpression of the PTPLP decreased the basal PTPase activity of COS-7 cells for Raytide. These results suggest that PTPLP may function as a negative regulator of PTPases in neuronal tissues.
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页码:331 / 335
页数:5
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