3KFH:
reference: High resolution X-ray structures of mouse major urinary protein nasal isoform in complex with pheromones., Perez-Miller S, Zou Q, Novotny MV, Hurley TD, Protein Sci. 2010 May 27. PMID: 20509168

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