>sp|C3MTN3|NUCS_SULIM Endonuclease NucS OS=Sulfolobus islandicus GN=nucS MYSVLLNPSNTEIYSFLTERIYRELVVIFATCKVNYKGRAESVASESPRLIILKPDGTVI IHESVKREPLNWQPPGTKIEIMNDYPLKIVAQRKRPKEVIEIDLKEVFYITSAEVKDGDF VIKGREIDIVNTIIQNPSMIEEGFVPLTREYNTPYGKIDLVGLDKKGNFVIIEVKRSKAQ LSAVSQLYRYYLHIRETKEDKVRGILVAPDLTTHARELLQKLGLEFIRYDIQKYSSY