5KN5:
reference: Structural Basis of Selectivity and Neutralizing Activity of a TGFalpha/Epiregulin Specific Antibody., Boyles JS, Atwell S, Druzina Z, Heuer JG, Witcher DR, Protein Sci. 2016 Aug 20. doi: 10.1002/pro.3023. PMID: 27543934

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