>tr|A0A974CIX7|A0A974CIX7_XENLA Histone H2B OS=Xenopus laevis GN=XELAEV_18032686mg
MPEPAKSAPAAKKGSKKAVTKTQKKDGKKRRKTRKESYAIYVYKVLKQVHPDTGISSKAM
SIMNSFVNDVFERIAGEASRLAHYNKRSTITSREIQTAVRLLLPGELAKHAVSEGTKAVT
KYTSAK