>tr|D2N2J2|D2N2J2_XENBC Histone H4 OS=Xenoturbella bocki GN=h4.a MSGRGKGGKGLGKGGAKRHRKVLRDNIQGITKPAIRRLARRGGVKRISGLIYEETRGVLK VFLENVIRDAVTYTEHAKRKTVTAMDVVYALKRQGRTLYGFGG