3OPB:
reference: UNC-45/CRO1/She4p (UCS) protein forms elongated dimer and joins two myosin heads near their actin binding region., Shi H, Blobel G, Proc Natl Acad Sci U S A. 2010 Nov 29. PMID: 21115842

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