1EC4:
reference: Solution structure of a HNA-RNA hybrid., Lescrinier E, Esnouf R, Schraml J, Busson R, Heus H, Hilbers C, Herdewijn P, Chem Biol 2000 Sep;7(9):719-31. PMID: 10980452

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