1N6M:
reference: Rotation of the stalk/neck and one head in a new crystal structure of the kinesin motor protein, Ncd., Yun M, Bronner CE, Park CG, Cha SS, Park HW, Endow SA, EMBO J 2003 Oct 15;22(20):5382-9. PMID: 14532111

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