1BG7:
reference: Localized unfolding at the junction of three ferritin subunits. A mechanism for iron release?, Takagi H, Shi D, Ha Y, Allewell NM, Theil EC, J Biol Chem 1998 Jul 24;273(30):18685-8. PMID: 9668036

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