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. Author manuscript; available in PMC: 2010 Jan 5.
Published in final edited form as: Bioorg Chem. 2005 Feb 23;33(3):229–251. doi: 10.1016/j.bioorg.2005.01.001

Fig. 11.

Fig. 11

Deaminase mechanisms for C to U and A to I editing. An enzymically activated water molecule attacks the base in an addition–elimination mechanism which ultimately replaces the amine with an oxygen (carbonyl).