>sp|Q8ZZL8|CAS1B_PYRAE CRISPR-associated endonuclease Cas1 2 OS=Pyrobaculum aerophilum GN=cas1-2 MQIVVASYGARIRAKKGLLIVEGREGRREYPLHQVDEVLLLTGGISISTRALRALLRAGA VVAVFDQRGEPLGIFMKPVGDATGAKRLCQYAAATDGRGLQLAKKWVWLKIRGQLENLKR WRRRLGKYGTYAESISKAINALASAATPREVMEAEAAAAEAYWAAYREITGFPGRDQEGR DPVNAGLNYGYGILKALCFKSILLAGLDPYVGFLHADKSGRPSLVLDFMEQWRPRVDAVV AQLAEELEAENGLLTHKSRLRLAAAVLEEFNATGRPLSAEIHREARSIAKALCTS