Medical Definition of Site-specific DNA methyltransferase (cytosine-specific)
1.
An enzyme responsible for producing a species-characteristic methylation pattern on cytosine residues in a specific short base sequence in the host cell's DNA. The enzyme catalyses the methylation of DNA cytosine in the presence of s-adenosyl-l-methionine to form s-adenosyl-l-homocysteine and DNA containing 5-methylcytosine.
Registry number: EC 2.1.1.73
(12 Dec 1998)
Lexicographical Neighbors of Site-specific DNA Methyltransferase (cytosine-specific)
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