2Z6A:
reference: S-Adenosyl-l-methionine-Dependent Methyl Transfer: Observable Precatalytic Intermediates during DNA Cytosine Methylation., Youngblood B, Shieh FK, Buller F, Bullock T, Reich NO, Biochemistry. 2007 Jul 31;46(30):8766-75. Epub 2007 Jul 7. PMID: 17616174

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