>tr|A0A832WEL7|A0A832WEL7_9CREN CRISPR-associated endonuclease Cas1 OS=Pyrobaculum aerophilum GN=cas1 MQIVVASYGARIRAKKGLLIVEGREGRREYPLHQVDEVLLLTGGISISTRALRALLRAGA VVAVFDQRGEPLGIFMKPVGDATGAKRLCQYAAATDGRGLQLAKKWVWLKIRGQLENLKR WRRRLGKYGTYAESISKAINALASAATPREVMEAEAAAAEAYWAAYREITGFPGRDQEGR DPVNAGLNYGYGILKALCFKSILLAGLDPYVGFLHADKSGRPSLVLDFMEQWRPRVDAVV AQLAEELEAENGLLTHKSRLRLAAAVLEEFNATGRPLSAEIHREARSIAKALCTS