GO:0004441

inositol-1,4-bisphosphate 1-phosphatase activity

Details: 
Catalysis of the reaction: 1D-myo-inositol 1,4-bisphosphate + H2O = 1D-myo-inositol 4-phosphate + phosphate. [EC:3.1.3.57, GOC:hb]
Evidence Code: