# OC Root 2nd 3rd PC Gene/Definition OC.229484 Archaea.35965 Euryarchaeota.9960 pto.1320 pto:PTO1334 imidazole glycerol phosphate synthase subunit HisH; K02501 imidazole glycerol-phosphate synthase subunit HisH [EC:4.3.2.10]