# OC Root 2nd 3rd PC Gene/Definition OC.229484 Archaea.11050 Crenarchaeota.5470 sto.1575 sto:STK_14660 hisH; imidazole glycerol phosphate synthase subunit HisH; K02501 imidazole glycerol-phosphate synthase subunit HisH [EC:4.3.2.10]