>tr|R5NCH6|R5NCH6_BIFLN Phosphoribosyl-AMP cyclohydrolase OS=Bifidobacterium longum CAG:69 GN=hisI MTDTTYDNSTELDPRIAARLKRDAKGLVAAVIQQYDTREVLMVGYMNDEALRRTLTTGRV TFWSRSRQEYWRKGDTSGHVQYVKGVSLDCDGDALLVEVDQVGAACHTGKRSCFLEGGPL PVVEGHRPAEQ