>sp|A1SL57|HIS4_NOCSJ 1-(5-phosphoribosyl)-5-[(5-phosphoribosylamino)methylideneamino] imidazole-4-carboxamide isomerase OS=Nocardioides sp. GN=hisA MSDYLELLPAVDITEGRAVQLAQGVAGSERTYGDPVAAAMRWQEAGAEWIHLVDLDAAFG RGSNRELQAEIVGALDVQVEMSGGIRDDESLAAALATGCRRVNIGTAALEQPEWCRRVIA EHGDRVAIGLDVRGRTLAARGWTKDGGDLYETLARLDAEGCARYVVTDVNKDGMLQGPNL QLLRDVCAATSAPVVASGGVTTLADIEALMELVPVGVEGAIAGTALYEGRFTLEDALALT RGGR