2RGS:
reference: New insights into intra- and intermolecular interactions of immunoglobulins: crystal structure of mouse IgG2b-Fc at 2.1-A resolution., Kolenko P, Dohnalek J, Duskova J, Skalova T, Collard R, Hasek J, Immunology. 2008 Sep 6. PMID: 18783468

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