>sp|A1A1I6|HIS3_BIFAA Phosphoribosyl-AMP cyclohydrolase OS=Bifidobacterium adolescentis GN=hisI MTNEAYDNTTTLDPRIAQRLKHDDKGLVAAVIQQFDTKEVLMVGYMNDEAIRRTLTTGRV TFWSRSRQEYWRKGDTSGHAQYVKSFALDCDGDAILVEVDQVGAACHTGKRSCFEEGGQL PVVVGHRTKEQEGQR