| 1Q75: reference: YNMG tetraloop formation by a dyskeratosis congenita mutation in human telomerase RNA., Theimer CA, Finger LD, Feigon J, RNA. 2003 Dec;9(12):1446-55. PMID: 14624001 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).