1IEH:
reference: Solution structure of a llama single-domain antibody with hydrophobic residues typical of the VH/VL interface., Vranken W, Tolkatchev D, Xu P, Tanha J, Chen Z, Narang S, Ni F, Biochemistry 2002 Jul 9;41(27):8570-9. PMID: 12093273

This OCA Structure page
uses Jmol, developed by the Jmol Development Team (documentation).