FUNCTION: Guanine nucleotide exchange factor (GEF) for RAP1A, RAP1B and RAP2A small GTPases that is activated by binding cAMP. Seems not to activate RAB3A. Involved in cAMP-dependent, PKA-independent exocytosis through interaction with RIMS2 (By similarity). {ECO:0000250, ECO:0000269|PubMed:10777494...
FUNCTION: Guanine nucleotide exchange factor (GEF) for RAP1A, RAP1B and RAP2A small GTPases that is activated by binding cAMP. Seems not to activate RAB3A. Involved in cAMP-dependent, PKA-independent exocytosis through interaction with RIMS2 (By similarity). {ECO:0000250, ECO:0000269|PubMed:10777494, ECO:0000269|PubMed:9856955}.
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GO - Biological processes (BP):
adaptive immune response [GO:0002250]; adenylate cyclase-activating G protein-coupled receptor signaling pathway [GO:0007189]; calcium-ion regulated exocytosis [GO:0017156]; G protein-coupled receptor signaling pathway [GO:0007186]; insulin secretion [GO:0030073]; positive regulation of GTPase activ...
adaptive immune response [GO:0002250]; adenylate cyclase-activating G protein-coupled receptor signaling pathway [GO:0007189]; calcium-ion regulated exocytosis [GO:0017156]; G protein-coupled receptor signaling pathway [GO:0007186]; insulin secretion [GO:0030073]; positive regulation of GTPase activity [GO:0043547]; Ras protein signal transduction [GO:0007265]; regulation of exocytosis [GO:0017157]; regulation of synaptic vesicle cycle [GO:0098693]
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GO - Molecular function (MF):
cAMP binding [GO:0030552]; guanyl-nucleotide exchange factor activity [GO:0005085]; small GTPase binding [GO:0031267]...
cAMP binding [GO:0030552]; guanyl-nucleotide exchange factor activity [GO:0005085]; small GTPase binding [GO:0031267]
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GO - Cellular component (CC):
cytosol [GO:0005829]; hippocampal mossy fiber to CA3 synapse [GO:0098686]; membrane [GO:0016020]; plasma membrane [GO:0005886]...
cytosol [GO:0005829]; hippocampal mossy fiber to CA3 synapse [GO:0098686]; membrane [GO:0016020]; plasma membrane [GO:0005886]
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