>tr|F0NIV7|F0NIV7_SULIH Endonuclease NucS OS=Sulfolobus islandicus GN=nucS MYSVLLNPSNTEIYSFLTERIYRELVVIFATCKVNYKGRAESVASESPRLIILKPDGTVI IHESVKREPLNWQPPGTKIEIMNDYPLKIVAQRKRPKEVIEIDLKEVFYITSAEVKDGDF VIKGREIDIVNTIIQNPSMIEEGFVPLTREYNTPYGKIDLVGLDKKGNFVIIEVKRSKAQ LSAVSQLYRYYLHIRETKEDKVRGILVAPDLTTHARELLQKLGLEFIRYDIQKYSSY