Reaction catalyzed by 3'(2'),5'-bisphosphate nucleotidase (3.1.3.7), inositol-1,4-bisphosphate 1-phosphatase (3.1.3.57)

		+		H2O	=			+
	3'-phosphoadenosine 5'-phosphosulfate	+		H2O	=		adenosine 5'-phosphosulfate	+		phosphate