# OC Root 2nd 3rd 4th PC Gene/Definition OC.113398 Bacteria.394322 Proteobacteria.76322 Alphaproteobacteria.121841 psf.4908 psf:PSE_p0001 acetolactate synthase, large subunit, biosynthetic type; K01652 acetolactate synthase I/II/III large subunit [EC:2.2.1.6]