# OC Root 2nd 3rd 4th PC Gene/Definition OC.652910 Archaea.25385 Euryarchaeota.28102 Methanocella.1047 mpd.2243 mpd:MCP_2327 conserved hypothetical protein; K15383 MtN3 and saliva related transmembrane protein OC.652910 Archaea.25385 Euryarchaeota.28102 Methanocella.1047 mez.2087 mez:Mtc_2190 hypothetical protein; K15383 MtN3 and saliva related transmembrane protein OC.652910 Archaea.25385 Euryarchaeota.28102 Methanocella.1047 rci.1650 rci:RCIX2304 conserved hypothetical protein; K15383 MtN3 and saliva related transmembrane protein