1UCP:
reference: The death-domain fold of the ASC PYRIN domain, presenting a basis for PYRIN/PYRIN recognition., Liepinsh E, Barbals R, Dahl E, Sharipo A, Staub E, Otting G, J Mol Biol 2003 Oct 3;332(5):1155-63. PMID: 14499617

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