>sp|Q2NEC4|ASSY_METST Argininosuccinate synthase OS=Methanosphaera stadtmanae GN=argG MEKVVLAFSGGLDTSVCVKLLQEKYNMEVITACVDVGQPEDEIKKPEAAAQKIGSDKHYT IDAKDEFAKEYAFRCIKTNSLYEGYPLSTAYARPLIAKKIVEIAKKENASTIAHGCTGKG NDQFRFEATIRSESDLDIVAPVRDYNLTRTEEQDYAREHGIPLPSEKIYSIDENLWGRSI EGGLLENPATAAPEEIYEWTKSTVDAPETPQIVKIEFVNGEPVKINDEELEPVALIRKAN EIAGNNGIGRIDMVEDRIIGLKSRENYETPGAILLITAHAALEKLIFSREEIKFAENLSQ KYAELVYNGLWNEPLREDLDVVNDHMQQRVTGTVEVRLHKGSMKVITKESPYALYNEENV SFEDKGIDQREMIGMVKYYDLQGAEYSKVKRE