>tr|A0A250Y902|A0A250Y902_CASCN Histone H4 OS=Castor canadensis GN=HIST1H4M MSGRGKGGKGLGKGGAKRHRKVLRDNIQGITKPAIRRLARRGGVKRISGLIYEETRGVLK VFLENVIRDAVTYTEHAKRKTVTAMDVVYALKRQGRTLYGFGG