1YZZ:
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):112-25. PMID: 15913651

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