>tr|A0A1L8FQ56|A0A1L8FQ56_XENLA Histone H2B OS=Xenopus laevis GN=LOC121398078 MPEPAKSAPAAKKGSKKAVTKTQKKDGKKRRKTRKESYAIYVYKVLKQVHPDTGISSKAM SIMNSFVNDVFERIAGEASRLAHYNKRSTITSREIQTAVRLLLPGELAKHAVSEGTKAVT KYTSAK