Tag Archives | Restriction Endonuclease Enzyme

Restriction endonuclease enzymes occur naturally in bacteria as a chemical weapon against the invading viruses. They cut both strands of DNA when certain foreign nucleotides are introduced in the cell. Endonucleases break strands of DNA at internal positions in random manner. Types of Restriction Enzymes: 1. Restriction enzyme Type I: These enzymes interact with an unmodified recognition sequence in double-stranded [...]