# OC Root 2nd 3rd 4th PC Gene/Definition OC.113351 Bacteria.537700 Proteobacteria.293412 Epsilonproteobacteria.466 nsa.471 nsa:Nitsa_0477 acetolactate synthase, large subunit; K01652 acetolactate synthase I/II/III large subunit [EC:2.2.1.6]