1S0T:
reference: Solution structure of a DNA duplex containing an alpha-anomeric adenosine: insights into substrate recognition by endonuclease IV., Aramini JM, Cleaver SH, Pon RT, Cunningham RP, Germann MW, J Mol Biol 2004 Apr 16;338(1):77-91. PMID: 15050824

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