>sp|P56858|CYSC_PYRAB Probable adenylyl-sulfate kinase OS=Pyrococcus abyssi GN=cysC MEGFTIWLTGPSGAGKTTLAVKLAKKLREMGYKVEILDGDTIRKTLYPNLGFSKEAREMH NRIVIYMAKLLTRNGVIAIVSLISPYKRIREYARKEIGRFMEVYVYAPLEVRIKRDPKGL YAKAIRGEIRGLTGYDGVYEEPENPEVKVDSSRMTPDEEAELVIRKAKELGYLP