obsolete 5-phospho-alpha-D-ribose 1,2-cyclic phosphate 1-phosphohydrolase activity (obsolete GO:0102560)
OBSOLETE. Catalysis of the reaction: 5-phosphonato-alpha-D-ribose cyclic-1,2-phosphate + H2O = D-ribofuranose 2,5-bisphosphate + H+.
phosphoribosyl 1,2-cyclic phosphate 1,2-diphosphodiesterase
exact