>sp|O29276|HIS4_ARCFU 1-(5-phosphoribosyl)-5-[(5-phosphoribosylamino)methylideneamino] imidazole-4-carboxamide isomerase OS=Archaeoglobus fulgidus GN=hisA MFRVIPAIDLKDGKVVRLRQGKEDEVTFEATNPIEVAKQWVEIGAKVLHVIDLSGAFQGR LRHEEIIAEIAKMAEVQVGGGIRDFRVAERLFELGVDRVIFGTIAVERVEELREFAKKWK GRVMVAIDSKKGRVAVKGWKEVVELTPVQLAELYDDLDVSFLYTNIDVEGLVSGIERERI EEVVKSLRNPVYVAGGISSIEDIRFAKRVGAAGVVIGSALYTKKLKFEEAIKVEYEKV