the dyad symmetry element is , however , an essential cis-acting sequence for c-fos inducibility by nerve growth factor , epidermal growth factor , fibroblast growth factor , and the phorbol ester 12-o-tetradecanoyl phorbol-13-acetate .
C0031586
phorbol ester
C0039654
12-o-tetradecanoyl phorbol-13-acetate