# OC Root 2nd 3rd 4th PC Gene/Definition OC.335614 Bacteria.345971 Proteobacteria.267843 Deltaproteobacteria.25232 dbr.1930 dbr:Deba_1952 thiamine pyrophosphate protein domain protein TPP-binding protein; K00175 2-oxoglutarate/2-oxoacid ferredoxin oxidoreductase subunit beta [EC:1.2.7.3 1.2.7.11]