| 1B4Y: reference: Structure and mechanism of formation of the H-y5 isomer of an intramolecular DNA triple helix., van Dongen MJ, Doreleijers JF, van der Marel GA, van Boom JH, Hilbers CW, Wijmenga SS, Nat Struct Biol 1999 Sep;6(9):854-9. PMID: 10467098 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).