# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.650961 Archaea.52734 Euryarchaeota.25321 Methanothermobacter.875 Methanothermobacter_sp_.2021 mete.287 mete:tca_00287 hypothetical protein OC.650961 Archaea.52734 Euryarchaeota.25321 Methanothermobacter.875 - mth.1116 mth:MTH_306 conserved protein OC.650962 Archaea.8234 - - - kcr.54 kcr:Kcr_0029 NurA 5'-3' nuclease