>sp|O33774|HIS6_SACS2 Imidazole glycerol phosphate synthase subunit HisF OS=Saccharolobus solfataricus GN=hisF MTTKRIIACLDVKDGNVVKGVNFLNLQLKGDPVSLASLYEEEGADEIVFLDITATIEARK ALYNVIKDTASVLSIPLTVGGGIRTPDDVSMALRSGADKVSINTAAVESSQIVKKSAEEF GSQAVVVAIDVKKVSGNWIVFTKSGTYNTRLDAIKWAKKVEELGAGEILLTSIDRDGTRL GYDLELTRKIVDSVNIPVIASGGAGKMEHFYEVFSLAKADAALAAGIFHDGIIKIKDLKS YLSQKGIEVRM