4-bisphosphate 4-phosphatase, Inositol polyphosphate 4 phosphatase type II 105kDa, Inositol polyphosphate 4-phosphatase type II, Inpp4b, MGC132014, Type II inositol 3, 4 bisphosphate 4 phosphatase, Type II inositol-3
Catalyzes the hydrolysis of the 4-position phosphate of phosphatidylinositol 3,4-bisphosphate, inositol 1,3,4-trisphosphate and inositol 1,4-bisphosphate.