The protein encoded by this gene belongs to the TDG/mug DNA glycosylase family. Thymine-DNA glycosylase removes thymine moieties from G/T mismatches by hydrolyzing the carbon-nitrogen bond between the sugar-phosphate backbone of DNA and the mis paired thymine. With lower activity, this enzyme also removes thymine from C/T and T/T mispairings. TDG can also remove uracil and 5-bromouracil from mispairings with guanine. This enzyme plays a central role in cellular defense against genetic mutation caused by the spontaneous deamination of 5-methylcytosine and cytosine. This gene may have a pseudogene in the p arm of chromosome 12.
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Protein Aliases: C-JUN leucine zipper interactive protein JZA-3; G/T mismatch-specific thymine DNA glycosylase; hTDG; Thymine-DNA glycosylase
Gene Aliases: E130317C12Rik; hTDG; JZA-3; Jza1; TDG