# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.574246 Bacteria.269428 Proteobacteria.263312 Deltaproteobacteria.16611 Desulfobulbus.2782 dpr.877 dpr:Despr_0870 NADH-ubiquinone/plastoquinone oxidoreductase chain 6; K00339 NADH-quinone oxidoreductase subunit J [EC:7.1.1.2]