1DFL:
reference: Three conformational states of scallop myosin S1., Houdusse A, Szent-Gyorgyi AG, Cohen C, Proc Natl Acad Sci U S A 2000 Oct 10;97(21):11238-43. PMID: 11016966

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