DNA (Cytosine-5)-Methyltransferase 1

**Semantic type:** Amino Acid, Peptide, or Protein|Enzyme

**Definition:** DNA (cytosine-5)-methyltransferase 1 protein (1613 aa, ~183 kDa) is encoded by the human DNMT1 gene. This soluble, nuclear protein is involved in epigenetic modification of chromatin, catalyzing the methylation of C5 in CpG dinucleotides within DNA.

**Synonyms:** - CXXC-Type Zinc Finger Protein 9 - DNA MTase HsaI - DNA Methyltransferase HsaI - DNMT1 - EC 2.1.1.37 - M.HsaI - MCMT