ca2+ is a powerful inhibitor ( ki is congruent to 16 mum ) of basal and prostaglandin e1 ( pge1 ) -stimulated adenylate cyclase [ atp pyrophosphate-lyase ( cyclizing ) ; ec 4.6.1.1 ] activity in membranes obtained from homogenized human platelets .
C1382029
atp pyrophosphate-lyase
C0086418
human