2O84:
reference: Structures of two mutants that probe the role in iron release of the dilysine pair in the N-lobe of human transferrin., Baker HM, Nurizzo D, Mason AB, Baker EN, Acta Crystallogr D Biol Crystallogr. 2007 Mar;63(Pt 3):408-14. Epub 2007, Feb 21. PMID: 17327678

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