4PJN:
reference: How actin initiates the motor activity of Myosin., Llinas P, Isabet T, Song L, Ropars V, Zong B, Benisty H, Sirigu S, Morris C, Kikuti C, Safer D, Sweeney HL, Houdusse A, Dev Cell. 2015 May 26;33(4):401-12. doi: 10.1016/j.devcel.2015.03.025. Epub 2015 , Apr 30. PMID: 25936506

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