4KA2:
reference: Interfacial Cavity Filling To Optimize CD4-Mimetic Miniprotein Interactions with HIV-1 Surface Glycoprotein., Morellato-Castillo L, Acharya P, Combes O, Michiels J, Descours A, Ramos OH, Yang Y, Vanham G, Arien KK, Kwong PD, Martin L, Kessler P, J Med Chem. 2013 Jun 11. PMID: 23710622

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