3ZYK:
reference: The Molecular Basis for the Endocytosis of Small R-SNAREs by the Clathrin Adaptor CALM., Miller SE, Sahlender DA, Graham SC, Honing S, Robinson MS, Peden AA, Owen DJ, Cell. 2011 Nov 23;147(5):1118-31. PMID: 22118466

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