inhibition by seven synthetic 4-hydroxycinnamamide derivatives , st 271 , st 280 , st 458 , st 494 , st 633 , st 638 , and st 642 , of tyrosine-specific protein kinases ( tyrosine kinase ) of oncogene or proto-oncogene products ( p130gag-v-fps , p70gag-actin-v-fgr , pp60v-src , pp60c-src ) and epidermal growth factor ( egf ) receptor kinase were investigated .
C0033712
proto-oncogene products
C0080059
pp60c-src