Sequence alignment between 2wp2(Q) and UniProt seq P62806 (H4_MOUSE):

P62806 (H4_MOUSE): Histone H4 from Mus musculus
                 10        20        30        40        50        60        70        80        90       100   
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---
UniProt: MSGRGKGGKGLGKGGAKRHRKVLRDNIQGITKPAIRRLARRGGVKRISGLIYEETRGVLKVFLENVIRDAVTYTEHAKRKTVTAMDVVYALKRQGRTLYGFGG
         .....X..X..............................................................................................
PDB seq: --GRGXGGXGLGKG-----------------------------------------------------------------------------------------
           --------+---                                                                                         
                  10