Rap guanine nucleotide exchange factor 4
UniProtKB accession: Q9EQZ6
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Go to UniProtKB: Q9EQZ6
UniProtKB description: 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.
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