we have investigated the rapid phosphorylation of proteins in b-lymphocytes incubated with the tumour-promoting phorbol ester 12-o-tetradecanoylphorbol 13-acetate ( tpa ) , anti-ig and combinations of tpa and the ca2+ ionophore ionomycin .
C0031586
phorbol ester
C0039654
12-o-tetradecanoylphorbol