# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.113301 Bacteria.356674 Proteobacteria.103469 Alphaproteobacteria.138495 Mesorhizobium.16492 mlo.5482 mlo:mlr6648 acetolactate synthase, large subunit; K01652 acetolactate synthase I/II/III large subunit [EC:2.2.1.6]