Sequence alignment between 3uin(B) and UniProt seq P61956 (SUMO2_HUMAN):

P61956 (SUMO2_HUMAN): Small ubiquitin-related modifier 2 from Homo sapiens
                 10        20        30        40        50        60        70        80        90     
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+-----
UniProt: MADEKPKEGVKTENNDHINLKVAGQDGSVVQFKIKRHTPLSKLMKAYCERQGLSMRQIRFRFDGQPINETDTPAQLEMEDEDTIDVFQQQTGGVY
PDB seq: ---------------DHINLKVAGQDGSVVQFKIKRHTPLSKLMKAYCERQGLSMRQIRFRFDGQPINETDTPAQLEMEDEDTIDVFQQQTGG--
                        ----+---------+---------+---------+---------+---------+---------+---------+---  
                           20        30        40        50        60        70        80        90