>sp|Q9D2U9|H2B3A_MOUSE H2B.U histone 2 OS=Mus musculus GN=H2bu2 MPEPSRSTPAPKKGSKKAITKAQKKDGKKRKRGRKESYSIYVYKVLKQVHPDTGISSKAM GIMNSFVNDIFERIASEASRLAHYNKRSTITSREVQTAVRLLLPGELAKHAVSEGTKAVT KYTSSK