>tr|A0A974CK43|A0A974CK43_XENLA Histone H2B OS=Xenopus laevis GN=XELAEV_18032685mg
MPEPAKTAPAAKKGSKKAVTKTQKKDGKKRRKTRKESYAIYVYKVLKQVHPDTGISSKAM
SIMNSFVNDVFERIAGEASRLAHYNKRSTITSREIQTAVRLLLPGELAKHAVSEGTKAVT
KYTSAK