# OC Root 2nd 3rd 4th PC Gene/Definition OC.335692 Bacteria.397897 Proteobacteria.263723 Deltaproteobacteria.17416 dao.2466 dao:Desac_2673 2-oxoglutarate synthase; K00175 2-oxoglutarate/2-oxoacid ferredoxin oxidoreductase subunit beta [EC:1.2.7.3 1.2.7.11]