# OC Root 2nd 3rd 4th PC Gene/Definition OC.335698 Bacteria.307633 Proteobacteria.194538 Gammaproteobacteria.401210 aeh.793 aeh:Mlg_0787 thiamine pyrophosphate enzyme domain protein TPP-binding protein; K00175 2-oxoglutarate/2-oxoacid ferredoxin oxidoreductase subunit beta [EC:1.2.7.3 1.2.7.11]