. "\"Catalysis of the reaction: ATP + (DNA-directed RNA polymerase II) = ADP + phospho-(DNA-directed RNA polymerase II); phosphorylation occurs on residues in the carboxy-terminal domain (CTD) repeats.\" [EC:2.7.11.23, GOC:mah]" . . "RNA polymerase II carboxy-terminal domain kinase activity" . "CTD kinase activity" . "EC:2.7.11.23" . "MetaCyc:RNA-POLYMERASE-SUBUNIT-KINASE-RXN" . . "STK9" . "[RNA-polymerase]-subunit kinase activity" . "ATP:DNA-directed RNA polymerase phosphotransferase activity" . "RNA polymerase subunit kinase activity" . "RNA-polymerase-subunit kinase activity" .