>sp|O33772|HIS4_SACS2 1-(5-phosphoribosyl)-5-[(5-phosphoribosylamino)methylideneamino] imidazole-4-carboxamide isomerase OS=Saccharolobus solfataricus GN=hisA MNEIIPSIDISFGKAVKRIRGVRGTGLVLGNPIELANKLYNEGYSRIHVVDLDAAEGVGN NEMYIKEICKIGFDWIQVGGGIRDVEKAKRLISLDVNALIFSTIVFTNFNLFYNIVREIG NNRVIVSIDYDDTKRVLISGWKERSMEIIDGIKKVNELELLGIILTYVTNEGTVKGIDYS VKDYAKLIRGVKEYAGGVSSDSDITFLKNVGFDYIIVGMAFYLNKIRGTNVV