>sp|A4FWS4|PUR5_METM5 Phosphoribosylformylglycinamidine cyclo-ligase OS=Methanococcus maripaludis GN=purM MVTYKDAGVDIYKEDKVIRALASQIKFERNDAIKPADLKGHYAGAIEFGDYYLVLCTDGV GSKMVVAEMANKFDTVPIDMIAMNVNDAICIGAEPVALVDYMAVEDITEDIASQIGKGLN DGIKESNINLIGGETASLPNMIKGVDLAGTVLAVVKKDEIVSGKEVKPGDLIVGLRSSGI HSNGLSLARKVFFDIANLDVNSKLSHGKTVAEELLTPTKIYVKPVLEMIKQVNVKGLAHI TGGGFRKLKRLNKEVCYKIDELPEILPIFKEIQNLGSVADEEMFKTFNMGIGFCVIVDKE DAEKIIEISNHHNIPAFVIGKIEDSVELNGETKRETVLVEYNNKKMIME