2KD3:
reference: NMR structure of the Wnt modulator protein Sclerostin., Weidauer SE, Schmieder P, Beerbaum M, Schmitz W, Oschkinat H, Mueller TD, Biochem Biophys Res Commun. 2009 Jan 21. PMID: 19166819

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