FUNCTION: Functions as a calcium- and DAG-regulated nucleotide exchange factor specifically activating Rap through the exchange of bound GDP for GTP. May also activates other GTPases such as RRAS, RRAS2, NRAS, KRAS but not HRAS. Functions in aggregation of platelets and adhesion of T-lymphocytes and...
FUNCTION: Functions as a calcium- and DAG-regulated nucleotide exchange factor specifically activating Rap through the exchange of bound GDP for GTP. May also activates other GTPases such as RRAS, RRAS2, NRAS, KRAS but not HRAS. Functions in aggregation of platelets and adhesion of T-lymphocytes and neutrophils probably through inside-out integrin activation. May function in the muscarinic acetylcholine receptor M1/CHRM1 signaling pathway. {ECO:0000269|PubMed:10918068, ECO:0000269|PubMed:14702343, ECO:0000269|PubMed:17576779, ECO:0000269|PubMed:17702895, ECO:0000269|PubMed:24958846, ECO:0000269|PubMed:27235135}.
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GO - Biological processes (BP):
cellular response to calcium ion [GO:0071277]; positive regulation of GTPase activity [GO:0043547]; Ras protein signal transduction [GO:0007265]; regulation of cell growth [GO:0001558]; signal transduction [GO:0007165]...
cellular response to calcium ion [GO:0071277]; positive regulation of GTPase activity [GO:0043547]; Ras protein signal transduction [GO:0007265]; regulation of cell growth [GO:0001558]; signal transduction [GO:0007165]
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GO - Molecular function (MF):
calcium ion binding [GO:0005509]; diacylglycerol binding [GO:0019992]; guanyl-nucleotide exchange factor activity [GO:0005085]; lipid binding [GO:0008289]...
calcium ion binding [GO:0005509]; diacylglycerol binding [GO:0019992]; guanyl-nucleotide exchange factor activity [GO:0005085]; lipid binding [GO:0008289]
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GO - Cellular component (CC):
cytosol [GO:0005829]; neuron projection [GO:0043005]; plasma membrane [GO:0005886]; ruffle membrane [GO:0032587]; synapse [GO:0045202]...
cytosol [GO:0005829]; neuron projection [GO:0043005]; plasma membrane [GO:0005886]; ruffle membrane [GO:0032587]; synapse [GO:0045202]
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