Term Name:	inositol-1,4-bisphosphate 1-phosphatase activity
Synonyms:	1D-myo-inositol-1,4-bisphosphate 1-phosphohydrolase activity, inositol polyphosphate 1-phosphatase activity, inositol-polyphosphate 1-phosphatase activity
Definition:	Catalysis of the reaction: 1D-myo-inositol 1,4-bisphosphate + H2O = 1D-myo-inositol 4-phosphate + phosphate.
Ontology:	GO: Molecular Function [GO:0004441]    QuickGO    AmiGO