label: inositol-1,3,4,6-tetrakisphosphate 1-phosphatase activity
label_lc: inositol-1,3,4,6-tetrakisphosphate 1-phosphatase activity
description: "Catalysis of the reaction: inositol-1,3,4,6-tetrakisphosphate + H2O = inositol-3,4,6-trisphosphate + phosphate."