CONTROL OF A NOVEL ADENYLYL-CYCLASE BY CALCINEURIN

被引:82
作者
PATERSON, JM [1 ]
SMITH, SM [1 ]
HARMAR, AJ [1 ]
ANTONI, FA [1 ]
机构
[1] ROYAL EDINBURGH & ASSOCIATED HOSP,EDINBURGH EH10 5HF,MIDLOTHIAN,SCOTLAND
关键词
D O I
10.1006/bbrc.1995.2385
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 molecular complex formed by the immunosuppressant FK506 and the immunophilin protein FKBP12 potently inhibits the Ca2+/calmodulin-activated protein phosphatase calcineurin. This mechanism appears to be common to all types of cell, implying that fundamental physiological modes of calcineurin regulation are exploited by immunosuppressants. The present paper describes a novel adenylyl cyclase regulated by calcineurin that contains an FKBP12-like domain and may thus constitute a physiologically relevant calcineurin docking site mimicked by immunosuppressant-immunophilin complexes. The enzyme messenger RNA is particularly enriched in the cerebral cortex, striatum and hippocampus, where it is localized to neuronal perikarya, indicative of an important role in neuronal function. (C) 1995 Academic Press, Inc.
引用
收藏
页码:1000 / 1008
页数:9
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