>sp|Q9UX31|ASSY_SACS2 Argininosuccinate synthase OS=Saccharolobus solfataricus GN=argG MKIVLAYSGGLDTTVSIRWLKETFKAEIITVTVDVGQKDDFKKIEERAYIAGASKHYTID AVRQFANNYIAYAIKLNGLYEGVYPLSTALARPLIAEKVVEVAKKEGAEAVAHGSTSKGN DQVRFDLAVKALYPDVKIIAPARIWNMTREDEIKYAKEKGIPIKVESDKYSIDENLWGRS IEGDIISDPSLEVPEDAFEWTKQIYNKKEIVSIEFSNGVPTAVNGEKMELNKLVDFLNLK FGSHGFGRVEHIENRVVGFKSREVYEVPAALGLIYAHIDLEKTIYTPMELRFKRHIDQLW SDLVYQGLWFEPLRETLHKVADEMNKWISGEAKVEVSNGSFRIVGRESEYSPYSEKIASY NKGWYPSDEMARGFIEIWGMHSLIARRVRGL