Cell membrane ; Peripheral membrane protein . Cytoplasm . Cytoplasmic vesicle membrane . Cell junction, synapse, presynapse . Mainly cytoplasmatic with partial expression at the plasma membrane (PubMed:20727515). Associates with certain types of membrane phosphoinositides, preferentially those phosphorylated at the D5 position of the inositol ring such as phosphatidylinositol 4,5-bisphosphate (PIP2) and phosphatidylinositol 3,4,5-trisphosphate (PIP3) (By similarity). .
Highest expression in brain.
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