Sequence alignment between 2iy0(B) 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: ---------------------IKLKVIGQDSSEIHFKVKMTTHLKKLKESYCQRQGVPMNSLRFLFEGQRIADNHTPKELGMEEEDVIEVYQEQTGG----
                              --------+---------+---------+---------+---------+---------+---------+-------    
                                     30        40        50        60        70        80        90