# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.113406 Bacteria.299417 Proteobacteria.396194 Alphaproteobacteria.222417 Magnetospirillum.5525 mag.868 mag:amb0792 Thiamine pyrophosphate-requiring enzyme; K01652 acetolactate synthase I/II/III large subunit [EC:2.2.1.6]