>sp|O67328|HIS4_AQUAE 1-(5-phosphoribosyl)-5-[(5-phosphoribosylamino)methylideneamino] imidazole-4-carboxamide isomerase OS=Aquifex aeolicus GN=hisA MNLKEFIIPAIDLMEGKAVRLYKGDFNKVKVYSERPWELAKNFSDLGFKRLHVVDLEGAE GGKPKNLEVIRKIRENFEGEVEVGGGIRSYEVAKALFDEGIDFVVIGTLAYKNKEEFLKI LENFPNRVILAIDSKQGKVAIGGWKEETAVSPEEFAKEYENYPIWGYLYTVIERDGSLEG VDVEPYKEIKKHVKKPVIASGGVSSLEDIKKLYGIVEGVVVGKAIYEGRITLEDLQNF