Sequence alignment between 1a5r(A) and UniProt seq P63165 (SUMO1_HUMAN):

P63165 (SUMO1_HUMAN): Small ubiquitin-related modifier 1 from Homo sapiens
                   10        20        30        40        50        60        70        80        90       100 
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+-
UniProt: --MSDQEAKPSTEDLGDKKEGEYIKLKVIGQDSSEIHFKVKMTTHLKKLKESYCQRQGVPMNSLRFLFEGQRIADNHTPKELGMEEEDVIEVYQEQTGGHSTV
PDB seq: GSMSDQEAKPSTEDLGDKKEGEYIKLKVIGQDSSEIHFKVKMTTHLKKLKESYCQRQGVPMNSLRFLFEGQRIADNHTPKELGMEEEDVIEVYQEQTGGHSTV
         -+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+-
          0        10        20        30        40        50        60        70        80        90       100