>sp|Q8REV3|PUR5_FUSNN Phosphoribosylformylglycinamidine cyclo-ligase OS=Fusobacterium nucleatum subsp. nucleatum GN=purM MINSYKDSGVDKEEGYKAVELMKKNVLKTHNKSVLTNLGSFGAMYELGQYKNPVLISGTD GVGTKLEIAMKQKKYDTVGIDCVAMCVNDVLCHGAKPLFFLDYLACGKLDAEVAAQLVSG VTEGCLQSYAALVGGETAEMPGFYKEGDYDIAGFCVGIVEKEDLIDGSKVKEGNKIIAVA SSGFHSNGYSLVRKVFTDYNEKIFLKEYGENVTMGDVLLTPTKIYVKPILKVLEKFNVNG MAHITGGGLFENLPRCMGKNLSPVVFKDKVRVPEIFKLIAERSKIKEEELFGTFNMGVGF TLVVEEKDVETIIELLTSLGETAYEIGHIEKGDHSLCLK