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. Author manuscript; available in PMC: 2014 Jul 1.
Published in final edited form as: Mol Aspects Med. 2012 Jul 10;34(4):813–825. doi: 10.1016/j.mam.2012.06.008

Figure 1. DNA methylation and DNA methyltransferases.

Figure 1

A. The figure depicts enzymatic methylation at C5 of cytosine by DNA methyltransferases. 5-methylcytosine serves as a substrate for TET family enzymes which oxidize the methyl carbon to generate 5-hydroxymethyl cytosine.

B. The mammalian DNMT family members are depicted in cartoon fashion. Domains are indicated where relevant.