>sp|Q5YYP1|HIS3_NOCFA Phosphoribosyl-AMP cyclohydrolase OS=Nocardia farcinica GN=hisI MSLDPAIAARLKRNEAGLVAAVAQERATGDVLMMAWMDDEALARTLATRKATYYSRSRQQ YWVKGETSGHTQYVHEVRLDCDGDTVLLIVDQEGAACHTGTHTCWDGDVLLAEPA