# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.335619 Bacteria.345968 Firmicutes.110946 Firmicutes___Clostridia.21795 Halanaerobium.2709 hpk.1299 hpk:Hprae_1348 thiamine pyrophosphate TPP-binding domain-containing protein; K00175 2-oxoglutarate/2-oxoacid ferredoxin oxidoreductase subunit beta [EC:1.2.7.3 1.2.7.11]