# OC Root 2nd 3rd 4th PC Gene/Definition OC.113322 Bacteria.354576 Proteobacteria.140983 Gammaproteobacteria.173185 hch.2124 hch:HCH_02178 thiamine pyrophosphate-requiring enzyme; K01652 acetolactate synthase I/II/III large subunit [EC:2.2.1.6]