# OC Root 2nd 3rd 4th PC Gene/Definition OC.644510 Bacteria.259089 Proteobacteria.143802 Gammaproteobacteria.24910 sok.1800 sok:D0B54_09170 NADH-quinone oxidoreductase subunit A; K00330 NADH-quinone oxidoreductase subunit A [EC:7.1.1.2]