>5xvp_E mol:protein length:109 CRISPR-associated endoribonuclease Cas2 MSYRYMRLLLMFDMPTDTASDRKAYRKFRKFLINEGFIMHQFSVYSKILLNDTANKAML ARLKQNNPQRGLITLLNVTEKQFSRMIYLHGEQDNRVANSDERIVFLGEE