# OC Root 2nd 3rd 4th PC Gene/Definition OC.229481 Archaea.35967 Euryarchaeota.9963 Halanaeroarchaeum.1045 hsu.1948 hsu:HLASF_2003 hisH; imidazole glycerol phosphate synthase subunit HisH; K02501 imidazole glycerol-phosphate synthase subunit HisH [EC:4.3.2.10] OC.229481 Archaea.35967 Euryarchaeota.9963 Halanaeroarchaeum.1045 hsf.1943 hsf:HLASA_1989 hisH; imidazole glycerol phosphate synthase subunit HisH; K02501 imidazole glycerol-phosphate synthase subunit HisH [EC:4.3.2.10]