5JZQ:
reference: Ultrahigh-resolution centrosymmetric crystal structure of Z-DNA reveals the massive presence of alternate conformations., Drozdzal P, Gilski M, Jaskolski M, Acta Crystallogr D Struct Biol. 2016 Nov 1;72(Pt 11):1203-1211. Epub 2016 Oct 28. PMID: 27841753

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