>tr|A0A7L3XME1|A0A7L3XME1_9AVES Histone H2A OS=Calonectris borealis GN=H2a4 MSGRGKQGGKARAKAKSRSSRAGLQFPVGRVHRLLRKGNYAERVGAGAPVYLAAVLEYLT AEILELAGNAARDNKKTRIIPRHLQLAIRNDEELNKLLGKVTIAQGGVLPNIQAVLLPKK TDSHKAKAK