incubation of human platelets with the phorbol ester 12-o-tetradecanoyl-phorbol-13-acetate ( tpa ) caused the accumulation of a protein kinase in the particulate fraction which was not dependent on ca2+ and phosphatidylserine ( ptd-ser ) .
C0031586
phorbol ester
C0039654
12-o-tetradecanoyl-phorbol-13-acetate