>sp|Q05E21|CAS2_AERPE CRISPR-associated endoribonuclease Cas2 OS=Aeropyrum pernix GN=cas2 MVYVLIAYDISNDSKRLKAAQKLLQMGFARVQKSVYIAKGGRSLAKEAYRALQRLADSGK DKIMVMVIPGDSVRDAYGLGGSLEDGKRVVVV