the activities of cyclic amp phosphodiesterase ( 3',5'-cyclic nucleotide 5'-nucleotidohydrolase , ec 3.1.4.17 ) and adenylate cyclase [ atp pyrophosphate-lyase ( cyclizing ) , ec 4.6.1.1 ] and calmodulin content during development of chick ventricular myocardium were determined .
C0024188
ec
C1382029
atp