Guanine nucleotide exchange factor (GEF) for the small GTPase RALA. May be involved in cytoskeletal organization (By similarity). Guanine nucleotide exchange factor for.
Subcellular locations: Cytoplasm, Cell membrane
Associates with membranes through the PH domain.
Widely expressed (at protein level). Isoform 2 is expressed in brain, colon, kidney, pancreas, prostate, skeletal muscle, small intestine, testis, thymus and uterus. Isoform 1 is expressed at high levels in heart and testis and at lower levels in brain, pancreas, skeletal muscle, small intestine and thymus.