label: inositol-3,4-bisphosphate 4-phosphatase activity
label_lc: inositol-3,4-bisphosphate 4-phosphatase activity
description: "Catalysis of the reaction: 1D-myo-inositol 3,4-bisphosphate + H2O = 1D-myo-inositol 3-phosphate + phosphate."