# OC Root 2nd 3rd 4th PC Gene/Definition OC.335620 Bacteria.345977 Proteobacteria.623173 Deltaproteobacteria.140620 sfu.443 sfu:Sfum_0300 thiamine pyrophosphate enzyme domain protein TPP-binding; K00175 2-oxoglutarate/2-oxoacid ferredoxin oxidoreductase subunit beta [EC:1.2.7.3 1.2.7.11]