6MHT:
reference: DNA containing 4'-thio-2'-deoxycytidine inhibits methylation by HhaI methyltransferase., Kumar S, Horton JR, Jones GD, Walker RT, Roberts RJ, Cheng X, Nucleic Acids Res 1997 Jul 15;25(14):2773-83. PMID: 9207024

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