>sp|C3NJ57|NUCS_SACI1 Endonuclease NucS OS=Saccharolobus islandicus GN=nucS MYSVLLNPSNTEIYSFLTERIYRELVVIFATCKVNYKGRAESVASESPRLIILKPDGTVI IHESVKREPLNWQPPGTKIEIMNDYPLKIVAQRKRPKEVIEIDLKEVFYITSAEVKDGDF VIKGREIDIVNTIIQNPSMIEEGFVPLTREYNTPYGKIDLVGLDKKGNFVIIEVKRSKAQ LSAVSQLYRYYLHIRETKEDKVRGILVAPDLTTHARELLQKLGLEFIRYDIQKYSSY