>sp|P0CL56|RELB3_METJA Antitoxin RelB3 OS=Methanocaldococcus jannaschii (strain ATCC 43067 / DSM 2661 / JAL-1 / JCM 10045 / NBRC 100440) OX=243232 GN=relB3 PE=1 SV=1 MRLKKRFKKFFISRKEYEKIEEILDIGLAKAMEETKDDELLTYDEIKELLGDK