# OC Root 2nd 3rd 4th PC Gene/Definition OC.640120 Archaea.50823 Euryarchaeota.12692 Methanocella.2274 mpd.725 mpd:MCP_0646 conserved hypothetical protein OC.640120 Archaea.50823 Euryarchaeota.12692 Methanocella.2274 rci.1369 rci:RCIX1965 conserved hypothetical protein