# OC Root 2nd 3rd 4th PC Gene/Definition OC.113424 Bacteria.264010 Proteobacteria.360339 Alphaproteobacteria.154731 apb.1006 apb:SAR116_0997 predicted thiamine pyrophosphate enzyme; K01652 acetolactate synthase I/II/III large subunit [EC:2.2.1.6]