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. Author manuscript; available in PMC: 2010 Jul 15.
Published in final edited form as: Free Radic Biol Med. 2009 Apr 10;47(2):115–127. doi: 10.1016/j.freeradbiomed.2009.04.010

Fig. 1. Pyrimidine ring structures for cytosine and 5-methyl-cytosine (5-Me-C).

Fig. 1

The addition of methyl group to position 5 of the cytosine nucleobase (dashed box) creates 5-Me-C in genomic DNA.