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Molecular recognition of ligand peptides by the AFPDZ. Detailed interaction between AFPDZ and nectin-3 (A) or Bcr (B) are shown. Dotted lines indicate hydrogen bonds. The thin line between Lys1038 and Glu(−3) in panel (A) represents a salt bridge. Only β2, α2, and Lys1038 in β3 are shown for AFPDZ for clarity.
