>sp|Q12ZI9|PURA_METBU Adenylosuccinate synthetase OS=Methanococcoides burtonii (strain DSM 6242 / NBRC 107633 / OCM 468 / ACE-M) OX=259564 GN=purA PE=3 SV=1 MFTILTGSQFGDEGKGKIVDLLSKDYDLVVRFQGGDNAGHTVVVGDDVYKLHLIPSGFLL DSRVLIGPGTVLNPEVLAEEIDMLEKTGVEVSSDKLGIDAKTSIIMPYHVELDSLRESLR KEKIGTTKKGIGFAYVDKIARDEVRMSDLVDSEILMNRLTEMAASKEAAIRELGGDPSIV TDSELMDKYVKLGQRLAPYVTDVSYEINKAISEGKNVLAEGAQGTFLDVIHGTQKFVTSS STIAGSACANLGVGPTKVDEVLGIVKAYITRVGEGPLPTELHDEAGAHLHDVGHEFGTTT GRSRRCGWFDLPLLKKAINLNGYTSVALTKLDVLSDLDVVKVCVAYDLNGERLDYPPEDT SLLSMCKPIYDELEGWSDDLTGVKRYEDIARAAHDYVEKLEGMMGVPIKYVSVGPGREQT FEK