1QO6:
reference: Solution structure of a pair of modules from the gelatin-binding domain of fibronectin., Bocquier AA, Potts JR, Pickford AR, Campbell ID, Structure Fold Des 1999 Dec 15;7(12):1451-60. PMID: 10647176

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