1YC7:
reference: Antigen Binding and Solubility Effects upon the Veneering of a Camel VHH in Framework-2 to Mimic a VH., Conrath K, Vincke C, Stijlemans B, Schymkowitz J, Decanniere K, Wyns L, Muyldermans S, Loris R, J Mol Biol 2005 Jul 1;350(1):112-125. PMID: 15913651

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