# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.1214934 Archaea.73955 Euryarchaeota.59180 Methanothermobacter.868 - mth.1106 mth:MTH_298 DNA-dependent RNA polymerase, subunit A'; K03041 DNA-directed RNA polymerase subunit A' [EC:2.7.7.6] OC.1214934 Archaea.73955 Euryarchaeota.59180 Methanothermobacter.868 Methanothermobacter_sp_.2013 mete.279 mete:tca_00279 hypothetical protein; K03041 DNA-directed RNA polymerase subunit A' [EC:2.7.7.6]