restriction nuclease

1 definition found

restriction nuclease - WordNet (r) 2.1 (2005) :

  restriction nuclease
      n 1: 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 [syn: restriction endonuclease
           , restriction nuclease, restriction enzyme
           ]