Question

Which of the following is the correct nomenclature of a restriction enzyme obtained from the first activity of strain R of Escherichia coli?

(a) EcoR1

(b) EscRI

(c) EcorI

(d) EcoRI

I had been asked this question by my college director while I was bunking the class.

The doubt is from Restriction Endonuclease & Phosphatases topic in chapter Basics of Genetic Engineering of Genetic Engineering

Answer 1

The correct option is (d) EcoRI

The explanation: The first letter is the first letter of the genus and the next two letters are the first two letters of the species. They are then followed by the strain and the activity from which they are isolated. The activity is represented in Roman numerals.