>sp|A0QX88|HIS3_MYCS2 Phosphoribosyl-AMP cyclohydrolase OS=Mycolicibacterium smegmatis GN=hisI MSLDPAIAARLKRNADGLFAAVTQERGTGKVLMVAWMDDDALARTLQTREATYFSRSRGE QWVKGATSGHTQKVHSVRLDCDGDTVLLEVDQVGGACHTGDHTCFDADLLLGPDE