3',5'-cyclic-nucleotide phosphodiesterase activity 3',5'-cGMP-stimulated cyclic-nucleotide phosphodiesterase activity https://github.com/geneontology/go-ontology/issues/20117 GO:0004118 cGMP-stimulated cyclic-nucleotide phosphodiesterase activity Catalysis of the reaction: nucleoside 3',5'-cyclic phosphate + H2O = nucleoside 5'-phosphate; catalytic activity is increased in the presence of cGMP. molecular_function