About The Medical Condition Restriction-Modification Systems
Find the definition of the medical term Restriction-Modification Systems. Restriction-Modification Systems defined and explained for easy understanding at the Medical Conditions from ClusterMed.info.
Restriction-Modification Systems
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What's The Definition Of The Medical Condition Restriction-Modification Systems?
Systems consisting of two enzymes, a modification methylase and a restriction endonuclease. They are closely related in their specificity and protect the DNA of a given bacterial species. The methylase adds methyl groups to adenine or cytosine residues in the same target sequence that constitutes the restriction enzyme binding site. The methylation renders the target site resistant to restriction, thereby protecting DNA against cleavage.
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