5LU0:
reference: Helicobacter pylori purine nucleoside phosphorylase shows new distribution patterns of open and closed active site conformations and unusual biochemical features., Narczyk M, Bertosa B, Papa L, Vukovic V, Lescic Asler I, Wielgus-Kutrowska B, Bzowska A, Luic M, Stefanic Z, FEBS J. 2018 Feb 12. doi: 10.1111/febs.14403. PMID: 29430816

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