2KH8:
reference: The cis-(5R,6S)-thymine glycol lesion occupies the wobble position when mismatched with deoxyguanosine in DNA., Brown KL, Basu AK, Stone MP, Biochemistry. 2009 Oct 20;48(41):9722-33. PMID: 19772348

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