>tr|A0A1B4XSS2|A0A1B4XSS2_DUGJA Histone H4 OS=Dugesia japonica MSGRGKGGKGLGKGGAKRHRKVLRDNIQGITKPAIRRLARRGGVKRISGLIYEETRGVLK VFLENVIRDAVTYTEHAKRKTVTAMDVVYALKRQGRTLYGFGG