Function
GTPase-activating protein for the ADP ribosylation factor family (Potential). Binds phosphatidylinositol 4,5-bisphosphate, phosphatidylinositol 3,4,5-trisphosphate (PtdInsP3) and inositol 1,3,4,5-tetrakisphosphate (InsP4). Binding of phosphatidylinositol 3,5-bisphosphate and phosphatidylinositol 3,4-bisphosphate occurs at a much lower affinity. Possesses a stoichiometry of two binding sites for InsP4 with identical affinity (By similarity).
Sequence
MGDRERNKKRLLELLQAAGTGNGHCADCGAADPDWASYKLGVFICLHCSGVHRNFPDISKVKSVRLDFWDDSMVEFMTHNGNLSVKAKFEARVPTFYYVPQASDCLVLKEQWIRAKYERQEFMAEKAVSPPGDREGFLWKRGRDNSQFLRRRFVLLSREGLLKYYTKEEGKTPKAIINIKDLNATFQTEKIGHPHGLQITYRKEGQTRNLFVYHDSGKEIVDWFNALRAARLQYLKLAFPDLPESELVPLITRNYLKQGFMEKTGPKHREPFKKRWFALDPQERRLLYYKNPLDAFEQGQVFLGSNEQGYEVWEGLPQGIRGNRWKVGLTVITPERKFVFTCPTEKEQREWLESLRGVLSSPLSPLHLLTTSAKSG