>sp|Q5N490|PUR5_SYNP6 Phosphoribosylformylglycinamidine cyclo-ligase OS=Synechococcus sp. GN=purM MNYREAGVDIEAGRAFVGDIRSLVESTRRPGVLGGLGGFGGFFELPSGYRQPVLVSGTDG VGTKLKIAHQVGRHDSIGIDLVAMCVNDILTAGAEPLYFLDYLATGRLDREQLTAVVQGI AAGCRESGCALLGGETAEMPGFYEAGEYDVAGFAVGIAEKSELLDGSQVQLGDVAIALAS SGVHSNGYSLVRKVVANSGLDWTSSQTIFEGQSLGDVFLTPTRLYVKPILAAKAQKIPIH GMAHITGGGLPENLPRCLGPNQTVAIDLESWKWPTVFRWLAKQGNIADSEMFNTFNMGVG LVVIVPAAAETQALKFFKAQGQTAWTLGEVVTGDGTLIGLP