Sequence alignment between 3dp9(A) and UniProt seq Q9KPI8 (MTNN_VIBCH):

Q9KPI8 (MTNN_VIBCH): 5'-methylthioadenosine/S-adenosylhomocysteine nucleosidase from Vibrio cholerae serotype O1 (strain ATCC 39315 / El Tor Inaba N16961)
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         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+-
UniProt: MKIGIIGAMQQEVAILKDLIEDVQEVNQAGCTFYSGQIQGVDVVLLQSGIGKVSAALGTALLISQYAPDVVINTGSAGGFDASLNVGDVVISSEVRHHDADVTAFGYEIGQMAGQPAAFKADEKLMTVAEQALAQLPNTHAVRGLICTGDAFVCTAERQQFIRQHFPSVVAVEMEASAIAQTCHQFKVPFVVVRAISDVADKESPLSFEEFLPLAAKSSSAMVLKMVELLK
PDB seq: -KIGIIGAMQQEVAILKDLIEDVQEVNQAGCTFYSGQIQGVDVVLLQSGIGKVSAALGTALLISQYAPDVVINTGSAGGFDASLNVGDVVISSEVRHHDADVTAFGYEIGQMAGQPAAFKADEKLMTVAEQALAQLPNTHAVRGLICTGDAFVCTAERQQFIRQHFPSVVAVEMEASAIAQTCHQFKVPFVVVRAISDVADKESPLSFEEFLPLAAKSSSAMVLKMVELL-
          --------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+ 
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