CADPS

Calcium-dependent secretion activator 1 is a protein that in humans is encoded by the CADPS gene. 

CADPS encodes a novel neural/endocrine-specific cytosolic and peripheral membrane protein required for the Ca2+-regulated exocytosis of secretory vesicles.  CADPS acts at a stage in exocytosis that follows ATP-dependent priming, which involves the essential synthesis of phosphatidylinositol 4,5-bisphosphate (PtdIns(4,5)P2).  Alternative splicing has been observed at this locus and three variants, encoding distinct isoforms, are described. 

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