3WBP:
reference: Crystal structures of carbohydrate recognition domain of blood dendritic cell antigen-2 (BDCA2) reveal a common domain-swapped dimer., Nagae M, Ikeda A, Kitago Y, Matsumoto N, Yamamoto K, Yamaguchi Y, Proteins. 2013 Dec 27. doi: 10.1002/prot.24504. PMID: 24425442

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