>sp|A8G794|PUR5_PROM2 Phosphoribosylformylglycinamidine cyclo-ligase OS=Prochlorococcus marinus GN=purM MDYKTSGVDIEAGREFVSEIKQAVEGTHTSNVIEGIGGFGGLFRIPIDSFKKPVLVSGTD GVGTKLELAQSKNFHFEVGIDLVAMCINDIITSGAKPLFFLDYIATGKLDKKQLLRVVQG ISHGCGENNCSLLGGETAEMPGFYSKNKYDLAGFCVGIVDEDKLINGKKVSENDLIIALK SNGVHSNGFSLVRKIIQNNNQIEKEFEKVSHLSFYDELLKPTKIYNNVIGQILSEDIEIK AMSHITGGGIPENLPRCIPSDFIPYINTNSWEIPILFEFLKKIGSIPEKDFWNTFNLGVG FCLIIDKQFKDRIYNICKDHDIDSWEIGKIVRKDNATISKFLPEILT