# OC Root 2nd 3rd 4th PC Gene/Definition OC.113312 Bacteria.317639 Proteobacteria.69921 Alphaproteobacteria.118007 rbg.461 rbg:BG454_02290 acetohydroxyacid synthase large subunit; K01652 acetolactate synthase I/II/III large subunit [EC:2.2.1.6]