Sequence alignment between 1m1a(C) and UniProt seq P06897 (H2A1_XENLA):

P06897 (H2A1_XENLA): Histone H2A type 1 from Xenopus laevis
                 10        20        30        40        50        60        70        80        90       100       110       120       130
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
UniProt: MSGRGKQGGKTRAKAKTRSSRAGLQFPVGRVHRLLRKGNYAERVGAGAPVYLAAVLEYLTAEILELAGNAARDNKKTRIIPRHLQLAVRNDEELNKLLGGVTIAQGGVLPNIQSVLLPKKTESAKSAKSK
         ...................................................................................................X..............................
PDB seq: --------------AKTRSSRAGLQFPVGRVHRLLRKGNYAERVGAGAPVYLAAVLEYLTAEILELAGNAARDNKKTRIIPRHLQLAVRNDEELNKLLGRVTIAQGGVLPNIQSVLLPK-----------
                       ------+---------+---------+---------+---------+---------+---------+---------+---------+---------+--------           
                           820       830       840       850       860       870       880       890       900       910