# OC Root 2nd 3rd 4th PC Gene/Definition OC.335619 Bacteria.345968 Firmicutes.113456 Firmicutes___Clostridia.21782 cthd.1696 cthd:CDO33_09240 2-oxoglutarate oxidoreductase; K00175 2-oxoglutarate/2-oxoacid ferredoxin oxidoreductase subunit beta [EC:1.2.7.3 1.2.7.11]