from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Any of a group of enzymes that catalyze the cleavage of DNA at specific sites to produce discrete fragments, used especially in genetic engineering. Also called restriction endonuclease.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. An endonuclease that catalyzes double-strand cleavage of DNA containing a specific sequence.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. any of the enzymes that cut nucleic acid at specific restriction sites and produce restriction fragments; obtained from bacteria (where they cripple viral invaders); used in recombinant DNA technology
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