>sp|A0JUZ7|HIS4_ARTS2 1-(5-phosphoribosyl)-5-[(5-phosphoribosylamino)methylideneamino] imidazole-4-carboxamide isomerase OS=Arthrobacter sp. GN=hisA MTTETPLPVLELLPAVDVVNGQAVRLVQGEAGSETSYGTPLEAALNWQEQGAEWVHLVDL DAAFGRGSNAELLREVVGRLDIKVELSGGLRDDESLEKALDLGVARVNLGTAALENPEWT ARAIDRFGDKIAVGLDVRGTTLAGRGWTKEGGDLWDVLARLEEAGCARYVVTDVTKDGTL QGPNVELLRKMVERTGKPVVASGGISSLEDLKVLRSLVPLGVEGAIVGKALYAGAFTLPE ALDVAGRR