adenylate cyclase ( atp pyrophosphate-lyase ( cylizing ) , ec 4.6.1.1 ) activity , measured in homogenates of normal , malignant and hybrid mammalian cell lines , is enhanced and subsequently inhibited by increasing concentrations of trypsin ( ec 3.4.21.4 ) .
C1382029
atp pyrophosphate-lyase
C0024188
ec