337 DNA-dependent RNA polymerase catalyzes the transcription of DNA into RNA using the four ribonucleoside triphosphates as substrates. rpoA DNA-directed RNA polymerase subunit alpha Plastid-encoded RNA polymerase subunit alpha RPOA_ORYSJ MVREEVAGSTQTLQWKCVESRVDSKRLYYGRFILSPLRKGQADTVGIALRRALLGETEGTCITHAKFGSVPHEYSTIAGIEESVQEILLNLKEIVLRSNLYGVRTASICVKGPRYITAQDIILPPSVEIVDTAQPIANLTEPTDFRIELRIKRDRGYHTEVRKNTQDGSYPIDAVSMPVRNVNYSIFACGNGNAKYEILFLEIWTNGSLTPKEALYEASRNLIDLFLPFLHTEEEGTRFQENKNRFTSPLLSFQKRLTNLKKNKKRIPLNCIFIDQLELPSRTYNCLKRANIHTLLDLLSKTEEDLMRIDSFRMQDGKQIWDTLEKHLPMDLPKNKF Nip100