ID 3.1.4.42 DE glycerol-1,2-cyclic-phosphate 2-phosphodiesterase. CA glycerol 1,2-cyclic phosphate + H2O = glycerol 1-phosphate + H(+). CC -!- Acts on both stereoisomers of the substrate and also, more slowly, CC on 3',5'-cyclic AMP and on 2',3'-cyclic AMP. //