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Question
Explain with the help of a suitable example the naming of a restriction endonuclease.
Solution
The naming of a restriction endonuclease is done in the following way:
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Ist letter represents the genus of the organism from which the enzyme is derived.
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IInd and IIIrd letters represent the species of the organism.
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IVth letter represents the name of the strain.
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Roman number represents order of isolation.
For example, In EcoRI − Derived from E.coli, strain R.
It is the Ist to be discovered.
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