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  • mutagenesis
  • Despite the uncertainty concerning the structure-catalysis relationship of type II endonucleases, site-directed mutagenesis of the restriction endonuclease HindIII has provided much insight into the key amino acid residues involved. (wikipedia.org)
  • Despite the lack of evidence suggesting an exact mechanism for the cleavage of DNA by HindIII, site-mutagenesis analysis coupled with more detailed studies of metal ion-mediated catalysis in EcoRV have led to the following proposed catalytic mechanism. (wikipedia.org)
  • As a result of the site-mutagenesis experiments previously outlined, it is thus proposed that Lys-125, Asp-123, and Asp-108 of HindIII function similarly to Lys-92, Asp-90, and Asp-74 in EcoRV, respectively. (wikipedia.org)
  • mechanism
  • However, it is believed that HindIII utilizes a common mechanism of recognition and catalysis of DNA found in other type II enzymes such as Eco RI , Bam HI , and Bgl II . (wn.com)