2L8I:
reference: Structure and Dynamics of Triazole-Linked DNA: Biocompatibility Explained., Dallmann A, El-Sagheer AH, Dehmel L, Mugge C, Griesinger C, Ernsting NP, Brown T, Chemistry. 2011 Dec 23;17(52):14714-7. doi: 10.1002/chem.201102979. Epub, 2011 Nov 30. PMID: 22131102

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