>sp|Q4J8F1|ASSY_SULAC Argininosuccinate synthase OS=Sulfolobus acidocaldarius GN=argG MKIVLAYSGGLDTTVAIRWLRETFNADVTTVTVDVGQKDDFYQIEKRAYIAGAIKHYTID AKKDFAERYISYAIKMNGLYEDIYPLSTALARPLIVEKVVEIAKKIGAEAIAHGSTSKGN DQVRFDLAVKALYPEAKIIAPARIWNMTRDKEIEYAKSKGIPIKTESSKYSIDENLWGRS IEGDIISDPSKEVPEDAFEWTKKTKDDKLKISLTFDKGLPVEVNGEKMDLLKVIQVLNEL VGSRGFGRVEHLENRVVGFKSREVYEVPAALVLINSHKDLEKSTYTPLEFRFKRSLDGQW SDLVYQGLWFEPLRETIQIAGDNLNKWISGEVFIEVENGNMKILGRKGKFSPFSEEIASY NKGWYPSDEMARGFIEIFGMHSLVARKSRGI