# OC Root 2nd 3rd 4th PC Gene/Definition OC.113422 Bacteria.264015 Proteobacteria.483162 Betaproteobacteria.128162 cbab.1249 cbab:SMCB_1251 thiamine pyrophosphate-requiring enzyme; K01652 acetolactate synthase I/II/III large subunit [EC:2.2.1.6]