# OC Root 2nd 3rd 4th PC Gene/Definition OC.335558 Bacteria.442587 Proteobacteria.263724 Deltaproteobacteria.17417 dao.2468 dao:Desac_2675 2-oxoglutarate synthase; K00177 2-oxoglutarate ferredoxin oxidoreductase subunit gamma [EC:1.2.7.3]