on immunoprecipitation using a specific antiphosphotyrosine antibody , phosphatidylinositol kinase ( ec 2.7.1.67 ) activity was separated from the protein-tyrosine kinase ( ec 2.7.1.112 ) activity of the wheat germ agglutinin ( wga ) -purified insulin receptor from human placenta .
C0089793
phosphatidylinositol kinase
C0086418
human