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Activates ARF factors through replacement of GDP with GTP (By similarity). The cell membrane form, in association with ARL4 proteins, recruits ARF6 to the plasma membrane (PubMed:17398095).
|Sequence:||19; NC_000019.10 (48469208..48482314)|
Cell membrane; Peripheral membrane protein. Cytoplasm. Cell projection. Cell projection, growth cone. Cell junction, tight junction. Cell junction, adherens junction. Both isoform 1 and isoform 2 are recruited to the cell membrane through its association with ARL4A, ARL4C and ARL4D. They require also interaction with phosphoinositides for targeting to plasma membrane (PubMed:17398095). In differentiating neuroblastoma cells, colocalizes with CCDC120 in both neurite shaft and growth cone areas.