| 1A60: reference: NMR structure of a classical pseudoknot: interplay of single- and double-stranded RNA., Kolk MH, van der Graaf M, Wijmenga SS, Pleij CW, Heus HA, Hilbers CW, Science 1998 Apr 17;280(5362):434-8. PMID: 9545221 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).