1LDL:
reference: Three-dimensional structure of a cysteine-rich repeat from the low-density lipoprotein receptor., Daly NL, Scanlon MJ, Djordjevic JT, Kroon PA, Smith R, Proc Natl Acad Sci U S A 1995 Jul 3;92(14):6334-8. PMID: 7603991

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