# OC Root 2nd 3rd 4th PC Gene/Definition OC.456191 Bacteria.269639 Chloroflexi.9947 - tro.1717 tro:trd_1781 nuoB; nadh dehydrogenase i, b subunit; K00331 NADH-quinone oxidoreductase subunit B [EC:7.1.1.2] OC.456191 Bacteria.269639 Chloroflexi.9947 - sti.365 sti:Sthe_0293 NADH-quinone oxidoreductase, B subunit; K00331 NADH-quinone oxidoreductase subunit B [EC:7.1.1.2] OC.456192 Bacteria.269632 Firmicutes.301977 Firmicutes___Clostridia.182494 sth.1901 sth:STH2777 nuoB2; NADH dehydrogenase I subunit B; K00331 NADH-quinone oxidoreductase subunit B [EC:7.1.1.2] OC.456193 Bacteria.269646 Aquificae.6601 - tam.728 tam:Theam_0732 NADH-quinone oxidoreductase, B subunit; K00331 NADH-quinone oxidoreductase subunit B [EC:7.1.1.2]