H2 H3C H3C N Deamination 5-methyleytosine(5mC) Imine Fig. 21- Deamination of 5-methylcytosine to thymineNH2 O H3C H3C H N N Deamination H N O H N O 5-methyleytosine (5mC) Thymine (T) Fig.21- Deamination of 5-methylcytosine to thymine