# OC Root 2nd 3rd 4th PC Gene/Definition OC.644515 Bacteria.259088 Proteobacteria.125529 Alphaproteobacteria.156361 red.29 red:roselon_00022 NADH ubiquinone oxidoreductase chain A; K00330 NADH-quinone oxidoreductase subunit A [EC:7.1.1.2]