Sequence alignment between 1v50(A) and UniProt seq P31949 (S10AB_HUMAN):

P31949 (S10AB_HUMAN): Protein S100-A11 from Homo sapiens
                 10        20        30        40        50        60        70        80        90       100     
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+-----
UniProt: MAKISSPTETERCIESLIAVFQKYAGKDGYNYTLSKTEFLSFMNTELAAFTKNQKDPGVLDRMMKKLDTNSDGQLDFSEFLNLIGGLAMACHDSFLKAVPSQKRT
         .........X...............................................................................................
PDB seq: --KISSPTEXERCIESLIA--------------------------------------------------------------------------------------
           ---------+-------                                                                                      
                   10