| 1RXR: reference: High-resolution solution structure of the retinoid X receptor DNA-binding domain., Holmbeck SM, Foster MP, Casimiro DR, Sem DS, Dyson HJ, Wright PE, J Mol Biol 1998 Aug 14;281(2):271-84. PMID: 9698548 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).