4NT5:
reference: Highly reinforced structure of a C-terminal dimerization domain in von Willebrand factor., Zhou YF, Springer TA, Blood. 2014 Mar 20;123(12):1785-93. doi: 10.1182/blood-2013-11-523639. Epub 2014 , Jan 6. PMID: 24394662

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