within 10 min tpa led to an increase in pk.a in the cytosol and a concomitant decrease in the membranes , as measured by both the kemptide phosphorylation activity and photoaffinity labeling of ri and rh regulatory subunits of pk.a , with 8-azido-cyclic [ 32p ] amp .
C0031715
phosphorylation
C0031727
pk.a