>sp|Q64522|H2A2B_MOUSE Histone H2A type 2-B OS=Mus musculus GN=H2ac21 MSGRGKQGGKARAKAKSRSSRAGLQFPVGRVHRLLRKGNYAERVGAGAPVYMAAVLEYLT AEILELAGNAARDNKKTRIIPRHLQLAVRNDEELNKLLGGVTIAQGGVLPNIQAVLLPKK TESHKPGKNK