2MJX:
reference: Double GC:GC mismatch in dsDNA enhances local dynamics retaining the DNA footprint: a high-resolution NMR study., Ghosh A, Kar RK, Krishnamoorthy J, Chatterjee S, Bhunia A, ChemMedChem. 2014 Sep;9(9):2059-64. doi: 10.1002/cmdc.201402238. Epub 2014 Jul, 30. PMID: 25080019

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