# OC Root 2nd 3rd 4th PC Gene/Definition OC.412075 Bacteria.270619 Proteobacteria.207885 Betaproteobacteria.252591 ndl.54 ndl:NASALF_059 cyoB; cytochrome c oxidase subunit I; K02274 cytochrome c oxidase subunit I [EC:1.9.3.1]