2XKN:
reference: Structure of the Fab fragment of the anti-murine EGFR antibody 7A7 and exploration of its receptor binding site., Talavera A, Mackenzie J, Garrido G, Friemann R, Lopez-Requena A, Moreno E, Krengel U, Mol Immunol. 2011 Jul;48(12-13):1578-85. Epub 2011 May 18. PMID: 21592580

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