# OC Root 2nd 3rd 4th PC Gene/Definition OC.1277781 Bacteria.194521 Aquificae.1607 Hydrogenobacter.48 hth.1055 hth:HTH_1066 hypothetical protein OC.1277781 Bacteria.194521 Aquificae.1607 Hydrogenobacter.48 hte.1040 hte:Hydth_1060 putative transmembrane protein OC.1277781 Bacteria.194521 Aquificae.1607 Thermocrinis.1468 tal.1317 tal:Thal_1336 hypothetical protein OC.1277781 Bacteria.194521 Aquificae.1607 Thermocrinis.2166 trd.1324 trd:THERU_06980 membrane protein