Phosphorylation of eukaryotic DNA-dependent RNA polymerase. Identification of calf thymus RNA polymerase subunits phosphorylated by two purified protein kinases, correlation with in vivo sites of phosphorylation in HeLa cell RNA polymerase II.

Animals Casein Kinases Cattle DNA-Directed RNA Polymerases/metabolism Electrophoresis, Polyacrylamide Gel HeLa Cells/enzymology Humans Kinetics Molecular Weight Phosphorylation Protein Kinases/metabolism RNA Polymerase II/isolation & purification,metabolism Thymus Gland/enzymology

Protein Kinases Casein Kinases RNA Polymerase II DNA-Directed RNA Polymerases