>sp|C3MZW9|NUCS_SACI3 Endonuclease NucS OS=Saccharolobus islandicus GN=nucS MYSVLLNPSNTEIYSFLTERIYRELVVIFATCKVNYKGRAESVASESPRLIILKPDGTVI IHESVKREPLNWQPPGTKIEIMNDYPLKIVAQRKRPKEVIEIDLKEVFYITSAEVKDGDF VIKGREIDIVNTIIQNPSMIEEGFVPLTREYNTPYGKIDLVGLDKKGNFVIIEVKRSKAQ LSAVSQLYRYYLHIRETKEDKVRGILVAPDLTTHARELLQKLGLEFIRYDIQKYSSY