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  • Title: [Immobilization of restrictases].
    Author: Kovalenko NA, Sokolov NN.
    Journal: Mol Gen Mikrobiol Virusol; 1988 Jul; (7):13-5. PubMed ID: 2848191.
    Abstract:
    The search for optimal variants of restriction endonucleases immobilization was begun recently. For some enzymes immobilization was successful due to the presence of covalent bonds on CNBr-sepharose (EcoRI, BamHI, HindIII, TaqI, PaeI, SalI, PvuII). For the enzymes EcoRI, BamHI and HindIII it was due to hydrophobic interaction with triethyl-agarose (triethyl-triphenylmethane). The high yield (up to 80%) of enzymatic activity has been obtained for small number of restriction endonucleases. In the experiments of several amino acid residues modification and immobilization of restriction endonucleases the participation of lysine, arginine, glutamic acid and SH- or S-S-groups in the catalysis and (or) binding of these enzymes with DNA has been shown. The restriction endonucleases immobilization experiments and research of enzymes active centre enrich each other and are very interesting for their use in molecular biology and deepening our knowledge of protein-nucleic interactions.
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