label: a ribonucleoside 3'-phosphate-2'-3'-cyclophospho-GMP + H2O = a ribonucleoside 3'-phosphate + 2',3'-cyclophospho-GMP + H(+)
label_lc: a ribonucleoside 3'-phosphate-2'-3'-cyclophospho-gmp + h2o = a ribonucleoside 3'-phosphate + 2',3'-cyclophospho-gmp + h(+)