# OC Root 2nd 3rd 4th PC Gene/Definition OC.229199 Bacteria.295026 Firmicutes.303716 Firmicutes___Clostridia.185149 tmr.606 tmr:Tmar_0591 imidazole glycerol phosphate synthase subunit hisF; K02500 imidazole glycerol-phosphate synthase subunit HisF [EC:4.3.2.10]