Question
How are restriction endonuclease enzymes named ?
Solution
Naming of Restriction enzymes is done according to the convention which as follows :
1. The first letter of the name is taken from the genus.
2.The next two letters comes from the name of the species of the cell from which they are isolated.
3. The next letter comes from the strain of the organism.
4. The roman number following these four letters indicate the order in which the enzymes was isolated from that strain of the bacterium.
Example :EcoR I is isolated from Escherichia coli. R Y 13 strain , and it was the first restriction enzyme isolated from E.coli.
