Question

Who isolated the first restriction endonuclease?

Answer 1

Definition:

1. A restriction enzyme or restriction endonuclease is an enzyme that cleaves DNA into fragments at or near specific recognition sites within the molecule known as restriction sites.
2. Example: HIND III is the restriction endonuclease.

Discovery: Hamilton O. Smith discovered and isolated the first site-specific restriction endonuclease Hind III from the bacterium Haemophilus influenzae.