# OC Root 2nd 3rd 4th PC Gene/Definition OC.113410 Bacteria.383808 Firmicutes.117060 Firmicutes___Clostridia.37038 bprs.1172 bprs:CK3_13760 Thiamine pyrophosphate-requiring enzymes [acetolactate synthase, pyruvate dehydrogenase (cytochrome), glyoxylate carboligase, phosphonopyruvate decarboxylase]; K01652 acetolactate synthase I/II/III large subunit [EC:2.2.1.6]