Structure and functional roles of Epac2 (Rapgef4).
Structure and functional roles of Epac2 (Rapgef4).
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DOI:
10.1016/j.gene.2015.09.029
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发表时间:
2016-01-10
期刊:
影响因子:
3.5
通讯作者:
Seino S
中科院分区:
文献类型:
--
作者:
Sugawara K;Shibasaki T;Takahashi H;Seino S
Epac (exchange protein activated by cyclic-AMP) 2 is a direct target of 3'−5'-cyclic adenosine monophosphate (cAMP) and is involved in cAMP-mediated signal transduction through activation of the Ras-like small GTPase Rap. Crystallographic analyses revealed that activation of Epac2 by cAMP is accompanied by dynamic structural changes. Epac2 is expressed mainly in brain, neuroendocrine and endocrine tissues, and is involved in diverse cellular functions in the tissues. In this review, we summarize the structure and function of Epac2. We also discuss the physiological and pathophysiological roles of Epac2, and the possibility of Epac2 as a therapeutic target.
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