Sequence alignment between 8osj(C) and UniProt seq P04908 (H2A1B_HUMAN):

P04908 (H2A1B_HUMAN): Histone H2A type 1-B/E from Homo sapiens
                 10        20        30        40        50        60        70        80        90       100       110       120       130
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
UniProt: MSGRGKQGGKARAKAKTRSSRAGLQFPVGRVHRLLRKGNYSERVGAGAPVYLAAVLEYLTAEILELAGNAARDNKKTRIIPRHLQLAIRNDEELNKLLGRVTIAQGGVLPNIQAVLLPKKTESHHKAKGK
PDB seq: ------------------SSRAGLQFPVGRVHRLLRKGNYSERVGAGAPVYLAAVLEYLTAEILELAGNAARDNKKTRIIPRHLQLAIRNDEELNKLLGRVTIAQGGVLPNIQAVLLP------------
                           --+---------+---------+---------+---------+---------+---------+---------+---------+---------+-------            
                            20        30        40        50        60        70        80        90       100       110