>sp|C3N7V1|NUCS_SULIY Endonuclease NucS OS=Sulfolobus islandicus GN=nucS MYSVLLNPSNTEIYSFLTERIYRELVVIFATCKVNYKGRAESVASESPRLIILKPDGTVI IHESVKREPLNWQPPGTKIEIMNDYPLKIVAQRKRPKEVIEIDLKEVFYITSAEVKDGDF VIKGREIDIVNTIIQNPSMIEEGFVPLTREYNTPYGKIDLVGLDKKGNFVIIEVKRSKAQ LSAVSQLYRYYLHIRETKEDKVRGILVAPDLTTHARELLQKLGLEFIRYDIQKYSSY