function:Binds specifically to phosphatidylinositol-4-phosphate (PtdIns4P), but not to other phosphoinositides.,similarity:Contains 1 PH domain.,tissue specificity:Widely expressed.,
Golgi apparatus, trans-Golgi network membrane ; Peripheral membrane protein . Localizes to ER-trans Golgi network (TGN) contacts sites. .
Widely expressed.