# OC Root 2nd 3rd 4th PC Gene/Definition OC.254572 Archaea.26831 Euryarchaeota.29980 Methanosphaera.1937 mst.460 mst:Msp_0465 conserved hypothetical membrane-spanning protein OC.254572 Archaea.65517 Euryarchaeota.50554 Methanococcoides.2537 mmet.1337 mmet:MCMEM_1346 hypothetical protein OC.254572 Archaea.26831 Euryarchaeota.29980 Methanococcoides.2538 mmet.1338 mmet:MCMEM_1347 hypothetical protein OC.254572 Archaea.26831 Euryarchaeota.29980 Methanoculleus.2780 mem.1125 mem:Memar_1146 SEC-C motif domain protein