how are restriction enzymes named
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The names of restriction enzymes are derived from the genus, species, and strain designations of the bacteria that produce them; for example, the enzyme EcoRI is produced by Escherichia coli strain RY13.
Explanation:
Answer:
The names of restriction enzymes are derived from the genus, species, and strain designations of the bacteria that produce them; for example, the enzyme EcoRI is produced by Escherichia coli strain RY13.
A restriction enzyme is a DNA-cutting enzyme that recognizes specific sites in DNA. Many restriction enzymes make staggered cuts at or near their recognition sites, producing ends with a single-stranded overhang. If two DNA molecules have matching ends, they can be joined by the enzyme DNA ligase.
Types of Restriction Endonuclease
Restriction enzymes are traditionally classified into four types on the basis of subunit composition, cleavage position, sequence specificity and cofactor requirements. ...
- Type I Enzymes. ...
- Type II Enzymes. ...
- Type IIG Enzymes.