| 1GRZ: reference: A preorganized active site in the crystal structure of the Tetrahymena ribozyme., Golden BL, Gooding AR, Podell ER, Cech TR, Science 1998 Oct 9;282(5387):259-64. PMID: 9841391 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).