label: phosphatidylinositol-3,4,5-trisphosphate 3-phosphatase activity
label_lc: phosphatidylinositol-3,4,5-trisphosphate 3-phosphatase activity
description: "Catalysis of the reaction: phosphatidylinositol-3,4,5-trisphosphate + H2O = phosphatidylinositol-4,5-bisphosphate + phosphate."