1CJF: Profilin Binds Proline-Rich Ligands In Two Distinct Amide Backbone Orientations
reference: Profilin binds proline-rich ligands in two distinct amide backbone orientations., Mahoney NM, Rozwarski DA, Fedorov E, Fedorov AA, Almo SC, Nat Struct Biol 1999 Jul;6(7):666-71. PMID: 10404225

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