inositol-1,3,4,5,6-pentakisphosphate 3-phosphatase activity
Catalysis of the reaction: 1D-myo-inositol 1,3,4,5,6-pentakisphosphate + H2O = 1D-myo-inositol 1,4,5,6-tetrakisphosphate + phosphate.
GO:0052827
inositol pentakisphosphate phosphatase activity
is_a