>sp|P13256|ASSY_METVA Argininosuccinate synthase OS=Methanococcus vannielii GN=argG MQEKIAVLAYSGGLDTSCCLKLLEDKYNYKVVSVAVDVGQPEDDLKEPEEKAKKLGVLKH YTIDAKEEFAVDYIFRAIKANALYEGYPLSTALARPLIAIKIAELAKEIGADAISHGCTG KGNDQFRFESVIRTKAPEIEIIAPVRDLNLTRTEEIQYAKEKGIPIPVDLEKPFSIDENL WGRSIEGGILENPMIETPKECFAWTVDPKIAKDEEEYVEIEFKAGVPVAINGQKFDAINV IKEANKLAGRNGVGRVDIIEDRVLGLKSRENYECPGAILLITAHKALEQLVLSREELVFK EMVDSKYADLIYKGLWHEPLRHDLDAFVDKTQERMNGIVRAKLYKGSLRIVGRESECALY QENMVSFENKDMDQREIVGMVKFHGLQAAIFESLRNK