Definition of restriction enzyme in English:

restriction enzyme

Line breaks: re|stric¦tion en¦zyme
(also restriction endonuclease)

noun

Biochemistry
  • An enzyme produced chiefly by certain bacteria, that has the property of cleaving DNA molecules at or near a specific sequence of bases.
    More example sentences
    • The term restriction endonuclease was given to this class of bacterially derived enzymes since they were identified as being involved in restricting the growth of certain bacteriophages.
    • The cDNA is digested with a restriction enzyme (anchoring enzyme) that cleaves the cDNA into fragments of approximately 256 base pairs.
    • The presence of a particular mutation may create or destroy a restriction site, and the DNA fragments produced following restriction enzyme digestion show characteristic banding patterns when electrophoretically separated.

More definitions of restriction enzyme

Definition of restriction enzyme in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day grotesquerie
Pronunciation: grəʊˈtɛskəri
noun
grotesque quality or grotesque things collectively