# OC Root 2nd 3rd 4th PC Gene/Definition OC.335633 Bacteria.345966 Firmicutes.301689 Firmicutes___Clostridia.182091 sth.1378 sth:STH223 2-oxoglutarate oxidoreductase beta subunit; K00175 2-oxoglutarate/2-oxoacid ferredoxin oxidoreductase subunit beta [EC:1.2.7.3 1.2.7.11]