it is suggested that the mr-95,000 protein not only is a possible direct substrate for the egf-receptor ( but not the insulin receptor ) tyrosine kinase but is a substrate for other endogenous kinases , including a protein tyrosine kinase which is probably not a glycoprotein , and a protein serine kinase with properties similar to those of casein kinase ii .
C0031727
kinases
C0033681
protein tyrosine kinase