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DNA-directed RNA polymerase II subunit rpb1 (E.C.2.7.7.6), DNA-directed RNA polymerase II subunit RPB2 (E.C.2.7.7.6), DNA-directed RNA polymerase II subunit RPB3, DNA-directed RNA polymerase II subunit rpb4, DNA-directed RNA polymerases I, II, and III subunit RPABC1, DNA-directed RNA polymerases I, II, and III subunit RPABC2, DNA-directed RNA polymerase II subunit rpb7, DNA-directed RNA polymerases I, II, and III subunit RPABC3, DNA-directed RNA polymerase II subunit RPB9, DNA-directed RNA polymerases I, II, and III subunit RPABC5, DNA-directed RNA polymerase II subunit RPB11, DNA-directed RNA polymerases I, II, and III subunit RPABC4