# OC Root 2nd 3rd 4th PC Gene/Definition OC.1186403 Archaea.25387 Euryarchaeota.28104 Methanocella.1052 mpd.2255 mpd:MCP_2340 conserved hypothetical protein; K06940 uncharacterized protein OC.1186403 Archaea.25387 Euryarchaeota.28104 Methanocella.1052 mez.2095 mez:Mtc_2199 putative Fe-S-cluster oxidoreductase; K06940 uncharacterized protein OC.1186403 Archaea.25387 Euryarchaeota.28104 Methanocella.1052 rci.2693 rci:RRC314 hypothetical protein; K06940 uncharacterized protein