# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.279967 Bacteria.346480 Proteobacteria.222836 Gammaproteobacteria.67741 Gammaproteobacteria___Enterobacteria.6971 lbq.1942 lbq:CKQ53_10555 sdhB; succinate dehydrogenase iron-sulfur subunit; K00240 succinate dehydrogenase / fumarate reductase, iron-sulfur subunit [EC:1.3.5.1 1.3.5.4]