# OC Root 2nd 3rd PC Gene/Definition OC.229483 Archaea.48833 Crenarchaeota.21464 pdl.1355 pdl:Pyrde_1374 Imidazole glycerol phosphate synthase amidotransferase subunit; K02501 imidazole glycerol-phosphate synthase subunit HisH [EC:4.3.2.10]