Sequence alignment between 4s3o(A) and UniProt seq P61077 (UB2D3_HUMAN):

P61077 (UB2D3_HUMAN): Ubiquitin-conjugating enzyme E2 D3 from Homo sapiens
                  10        20        30        40        50        60        70        80        90       100       110       120       130       140       
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+-------
UniProt: -MALKRINKELSDLARDPPAQCSAGPVGDDMFHWQATIMGPNDSPYQGGVFFLTIHFPTDYPFKPPKVAFTTRIYHPNINSNGSICLDILRSQWSPALTISKVLLSICSLLCDPNPDDPLVPEIARIYKTDRDKYNRISREWTQKYAM
         .X..................................................................................................................................................
PDB seq: GSALKRINKELSDLARDPPAQCSAGPVGDDMFHWQATIMGPNDSPYQGGVFFLTIHFPTDYPFKPPKVAFTTRIYHPNINSNGSICLDILRSQWSPALTISKVLLSICSLLCDPNPDDPLVPEIARIYKTDRDKYNRISREWTQKYAM
         ----------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+-------
                  10        20        30        40        50        60        70        80        90       100       110       120       130       140