# OC Root 2nd 3rd 4th PC Gene/Definition OC.256612 Bacteria.1011029 Proteobacteria.451571 Alphaproteobacteria.302864 apc.1251 apc:HIMB59_00012800 NADH dehydrogenase hydrogenase module nuoC subunit; K00332 NADH-quinone oxidoreductase subunit C [EC:7.1.1.2]