>sp|A4FW92|PURA_METM5 Adenylosuccinate synthetase OS=Methanococcus maripaludis GN=purA MTCTIVVGGQWGDEGKGKIISYLCKKDNPSIIARGGVGPNAGHTVEVDGEKYGIRMVPTG FPNVNAKLAVGAGVLTDPEVLLKEIKMLEKFNVGERMIIDYRCGIIEDVHKETDKSNEHL SKEIGSTGTGCGPANVDRAMRTLKQGKDVESISKYLGDVSEEVNEALESGDNVLIEGTQG SLLSLFYGSYPYVTSKDTNAASFAADVGVGPTKIDEVVAVFKSYPTRVGEGPFPTEMTVE EAESLGVVEYGTVTGRRRRVGYFDHDLAKKVCRLNGATQIAITCLDKYDTDCYGIIEYDK LSEKGKAFIKEVEEKVGVKVTLISTGPELGQTIDVRK