we examined the relative phosphorylation of plc-gamma and plc-beta-1 by the 170-kda native egf receptor molecule , the 66-kda cytoplasmic kinase domain of the egf receptor ( arg647-ala1186 ) , the alpha 2 beta 2 native insulin receptor , and the 48-kda cytoplasmic kinase domain of the insulin receptor beta subunit ( gly947-ser1343 ) .
C0031715
phosphorylation
C0031727
kinase