1YTZ:
reference: Ca(2+)-regulated structural changes in troponin., Vinogradova MV, Stone DB, Malanina GG, Karatzaferi C, Cooke R, Mendelson RA, Fletterick RJ, Proc Natl Acad Sci U S A 2005 Apr 5;102(14):5038-43. Epub 2005 Mar 22. PMID: 15784741

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