Protein
Guanine nucleotide exchange factor for Rab-3A
Function
Guanine nucleotide exchange factor (GEF) which may activate RAB3A, a GTPase that regulates synaptic vesicle exocytosis. Promotes the exchange of GDP to GTP, converting inactive GDP-bound Rab proteins into their active GTP-bound form. May also activates RAB8A and RAB8B (By similarity).
Similarity
Belongs to the SEC2 family.
Sequence
MWSGQPQQDEGLPVGLSAIPVPWKNLGPSKSNRESSGGLVEASTSWEEAQGEEHPAPAPLDVSRLRSSSMEIREKGSEFLKEELYKAQKELKLKDEECERLCKVRAQLEQELEELTASLFEEAHKMVREANMKQATSEKQLKEAWGKIDMLQAEVTALKTLVITSTPASPNRELHPQLLSPTKAGPRKGHSRQKSTSSSLCPVVCPTAGHIPTPDKEGKEVDTTLFAEFQAWRASPTLDKSCPFLERVYREDVGPCLDFTVQELSALVRTAVEDNTLTIEPVASQTLPAVKVPTVECNNTNTCALSGLARTCHHRIRLGDSDSHYYISPSSRARITAVCNFFTYIRYIQQGLVRQDAEPMFWEIMRLRKGMSLAKLGFFPQEA