# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.335700 Bacteria.318837 Proteobacteria.576434 Deltaproteobacteria.79828 Geobacter.10254 glo.1097 glo:Glov_1075 thiamine pyrophosphate protein domain protein TPP-binding; K00175 2-oxoglutarate/2-oxoacid ferredoxin oxidoreductase subunit beta [EC:1.2.7.3 1.2.7.11]