>tr|A0A1B4Y4A3|A0A1B4Y4A3_MYCUL Phosphoribosyl-AMP cyclohydrolase OS=Mycobacterium ulcerans subsp. shinshuense GN=hisI MTLDPNVAARLKRNADGLFTAVVQERGSGDVLMVAWMDDDALDRTLKTREATYYSRSRGE QWVKGATSGHTQYVHSVRLDCDGDTVLLTVDQVGGACHTGDHTCFDATVLL