Tags: Enzyme.
Site-specific DNA-methyltransferase (adenine-specific) (EC 2.1.1.72 modification methylase restriction-modification system) is an enzyme. This enzyme catalyses the following chemical reaction S-adenosyl-L-methionine + DNA adenine S-adenosyl-L-homocysteine + DNA 6-methylaminopurineThis is a large group of enzymes.