Sequence alignment between 4ii2(C) and UniProt seq P46595 (UBC4_SCHPO):

P46595 (UBC4_SCHPO): Ubiquitin-conjugating enzyme E2 4 from Schizosaccharomyces pombe (strain 972 / ATCC 24843)
                 10        20        30        40        50        60        70        80        90       100       110       120       130       140         
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+-------
UniProt: MALKRINRELADLGKDPPSSCSAGPVGDDLFHWQATIMGPADSPYAGGVFFLSIHFPTDYPFKPPKVNFTTRIYHPNINSNGSICLDILRDQWSPALTISKVLLSICSLLTDPNPDDPLVPEIAHVYKTDRSRYELSAREWTRKYAI--
         ....................X.....................................................................................X..........................................
PDB seq: MALKRINRELADLGKDPPSSSSAGPVGDDLFHWQATIMGPADSPYAGGVFFLSIHFPTDYPFKPPKVNFTTRIYHPNINSNGSICLDILRDQWSPALTISKVLLSISSLLTDPNPDDPLVPEIAHVYKTDRSRYELSAREWTRKYAIHG
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------
                 10        20        30        40        50        60        70        80        90       100       110       120       130       140