Sequence alignment between 4zby(A) and UniProt seq Q96YD0 (UDGA_SULTO):

Q96YD0 (UDGA_SULTO): Type-4 uracil-DNA glycosylase from Sulfurisphaera tokodaii (strain DSM 16993 / JCM 10545 / NBRC 100140 / 7)
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         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
UniProt: MDSLEKIKEEVISCKKCKLWQFRTNAVPGEGYPKAEIMFVGEAPGENEDKEGRPFVGAAGKLLTQMIKEILGLERDQVFITNVVKCRPPNNRDPEEDEITACSPYLDRQIDIIMPKIIVTLGRHSTKYIFSKMGENFSSITKVRGKSYVWKYKEKEIIVFPTYHPAAALYNPNLRKILEEDFKKIRELAITPKRYTIDYFLGGKNRSWDKREKSDSNSGK
PDB seq: MDSLEKIKEEVISCKKCKLWQFRTNAVPGEGYPKAEIMFVGEAPGENEDKEGRPFVGAAGKLLTQMIKEILGLERDQVFITNVVKCRPPNNRDPEEDEITACSPYLDRQIDIIMPKIIVTLGRHSTKYIFSKMGENFSSITKVRGKSYVWKYKEKEIIVFPTYHPAAALYNPNLRKILEEDFKKIRELAITPKR--------------------------
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+----                          
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