3Q9N:
reference: A De Novo Protein Binding Pair By Computational Design and Directed Evolution., Karanicolas J, Corn JE, Chen I, Joachimiak LA, Dym O, Peck SH, Albeck S, Unger T, Hu W, Liu G, Delbecq S, T Montelione G, P Spiegel C, Liu DR, Baker D, Mol Cell. 2011 Apr 22;42(2):250-260. Epub 2011 Mar 31. PMID: 21458342

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