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Guanine nucleotide exchange factor (GEF) which may activate RAB8A and RAB8B. Promotes the exchange of GDP to GTP, converting inactive GDP-bound Rab proteins into their active GTP-bound form. Mediates the release of GDP from RAB8A and RAB8B but not from RAB3A or RAB5. Modulates actin organization and promotes polarized transport of RAB8A-specific vesicles to the cell surface. Together with RAB11A, RAB8A, the exocyst complex, PARD3, PRKCI, ANXA2, CDC42 and DNMBP promotes transcytosis of PODXL to the apical membrane initiation sites (AMIS), apical surface formation and lumenogenesis.
仅用于科研。不用于诊断过程。未经明确授权不得转售。
蛋白别名: Rab-3A-interacting protein; Rab3A-interacting protein; RAB3IP; Rabin-3; Rabin8; SSX2 interacting protein; SSX2-interacting protein
基因别名: RAB3IP; RABIN3; RABIN8
UniProt ID: (Human) Q96QF0
Entrez Gene ID: (Human) 117177