DNMT3A
DNA (cytosine-5-)-methyltransferase 3 alpha
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DNA methyltransferase responsible for methylation of de novo (new) genomic sequence, it has two known splice isoforms DNMT3A1, expressed ubiquitously in all tissues at low levels , and DNMT3A2, predominantly expressed in embryonic stem cell found in the ovaries and testes [Pubmed]