the possible role of protein kinase c in the regulation of quantal transmitter release was studied at the frog neuromuscular junction by using the phorbol ester 12-o-tetradecanoyl-phorbol-13-acetate ( tpa ) , a compound known to mimic the effects of the physiological activator of the enzyme , endogenous diacylglycerol .
C0031586
phorbol
C0039654
12-o-tetradecanoyl-phorbol-13-acetate