>sp|Q58927|HIS4_METJA 1-(5-phosphoribosyl)-5-[(5-phosphoribosylamino)methylideneamino] imidazole-4-carboxamide isomerase OS=Methanocaldococcus jannaschii GN=hisA MIIIPAVDLKDKKCVQLIQGDPNKKHLELNNPVEVAKKFVDEGAEYLHIIDLDAAFGTGN NRDVIKNIIKEVNVPVEVGGGIRNLEIAKELISLGVDRVIVGTKAILEPKFIDDLNKEIG KDKIVLAVECKEGKVVIKGWKEKVDKTPIEVIKEFEDKVGYILFTNVDVEGLLKGINVDI IKELIEKTDIPIIYSGGITTLEDIKALKELGIYGVVIGSALYKGLIDLKKALEIVKN