2LHU:
reference: Structural Insight into Unique Cardiac Myosin-binding Protein-C Motif: A PARTIALLY FOLDED DOMAIN., Howarth JW, Ramisetti S, Nolan K, Sadayappan S, Rosevear PR, J Biol Chem. 2012 Mar 9;287(11):8254-62. Epub 2012 Jan 10. PMID: 22235120

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