>tr|A0A384C8R1|A0A384C8R1_URSMA Histone H2B OS=Ursus maritimus GN=LOC103665066 MPEPAKSAPAPKKGSKKAVTKAQKKDGKKRKRSRKESYSVYVYKVLKQVHPDTGISSKAM GIMNSFVNDIFERIAGEASRLAHYNKRSTITSREIQTAVRLLLPGELAKHAVSEGTKAVT KYTSAK