# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.182423 Bacteria.397993 Proteobacteria.634852 Epsilonproteobacteria.21159 Sulfuricurvum.736 sku.2046 sku:Sulku_2059 ech hydrogenase subunit E OC.182423 Bacteria.397993 Proteobacteria.634852 Epsilonproteobacteria.21159 Sulfuricurvum.736 sulr.1906 sulr:B649_09680 hypothetical protein OC.182423 Bacteria.397993 Proteobacteria.637774 Epsilonproteobacteria.25897 - nam.616 nam:NAMH_0634 Ech Hydrogenase, Subunit; K14090 ech hydrogenase subunit E OC.182423 Bacteria.397993 Aquificae.4154 - - tam.482 tam:Theam_0478 NADH dehydrogenase (quinone) OC.182423 Bacteria.397993 Aquificae.4154 - - dte.697 dte:Dester_0740 NADH dehydrogenase (quinone)