>tr|A0A7K5ETL1|A0A7K5ETL1_POLCE Histone H4 OS=Polioptila caerulea GN=POLCAE_R00036 MSGRGKGGKGLGKGGAKRHRKVLRDNIQGITKPAIRRLARRGGVKRISGLIYEETRGVLK VFLENVIRDAVTYTEHAKRKTVTAMDVVYALKRQGRTLYGFGG