>sp|A5U2W2|HIS3_MYCTA Phosphoribosyl-AMP cyclohydrolase OS=Mycobacterium tuberculosis GN=hisI MTLDPKIAARLKRNADGLVTAVVQERGSGDVLMVAWMNDEALARTLQTREATYYSRSRAE QWVKGATSGHTQHVHSVRLDCDGDAVLLTVDQVGGACHTGDHSCFDAAVLLEPDD