>sp|A1AVW3|HIS3_RUTMC Phosphoribosyl-AMP cyclohydrolase OS=Ruthia magnifica subsp. Calyptogena magnifica GN=hisI MDALKQTKFDDKNLIPAIVQDFKTGDILMFAWMNQESLALTIEKQQAVYYSRSRKKLWFK GEQSGHTQLIKEIFTDCDNDVILLRVDQVGGIACHTGRKSCFFQQLDKNNWKTVANVLKN PKDIYE