>tr|D0KR60|D0KR60_SACS9 CRISPR-associated exonuclease Cas4 OS=Saccharolobus solfataricus GN=Ssol_0985 MITEFLLKKKLEEHLSHVKEENTIYVTDLVRCPRRVRYESEYKELAISQVYAPSAILGDI LHLGLESVLKGNFNAETEVETLREINVGGKVYKIKGRADAIIRNDNGKSIVIEIKTSRSD KGLPLIHHKMQLQIYLWLFSAEKGILVYITPDRIAEYEINEPLDEATIVRLAEDTIMLQN SPRFNWECKYCIFSVICPAKLT