# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.663210 Bacteria.901964 Firmicutes.308278 Selenomonas.2860 Selenomonas_sp_.2502 selt.256 selt:BCS37_01155 hypothetical protein OC.663210 Archaea.73685 Euryarchaeota.58908 Methanosphaera.1422 - metb.332 metb:AW729_01500 hypothetical protein