MQGSVTEFLKPRLVDIEQISTTHAKVTLEPLERGFGHTLGNALRRILLSSMPGCAVTEVEIEGVLHEYSTKEGVQEDILEILLNLKGLAVRVAEGKDEVFITLNKSGSGPVVAGDITHDGDVEIVNPEHVICHLTSDNAAIAMRIKVERGRGYVPASARIHTEEDERPIGRLLVDATFSPVDKIAYSVEAARVEQRTDLDKLVIDMETNGTLEPEEAIRRAATILAEQLDAFVDLRDVRVPEEKEEKPEFDPILLRPVDDLELTVRSANCLKAEAIHYIGDLVQRTEVELLKTPNLGKKSLTEIKDVLASRGLSLGMRLENWPPASIAED 330 DNA-directed RNA polymerase subunit alpha rpoA VC_2571 RPOA_VIBCH RNA polymerase subunit alpha DNA-dependent RNA polymerase catalyzes the transcription of DNA into RNA using the four ribonucleoside triphosphates as substrates. Transcriptase subunit alpha