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  • Chemistry  (1)
  • 1960-1964  (1)
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  • 1
    ISSN: 0025-116X
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Description / Table of Contents: Eine Reihe synthetischer Polyglukose-carboxylderivate mit verschiedenem Carboxylgehalt wurde zur Hemmung der Ribonuklease-entpolymerisierenden Wirkung an Ribonukleinsäure, die nach der KUNITZ-Probe gemessen wurde, verwandt. Die enzymhemmende Wirkung nahm mit der Ladungsdichte der Polyglukose-carboxylderivate stark zu.Durch diese und ähnliche Experimente ergibt sich, daß COULOMB-Anziehungskräfte beim Zusammenführen von Enzym und Substrat eine wichtige Rolle spielen.
    Notes: A series of synthetic polyglucose carboxyl derivatives with different carboxyl content has been used to inhibit ribonuclease depolymerizing activity on ribonucleic acid as measured by the KUNITZ assay. The enzyme inhibitory activity increased greatly with the charge density of the polyglucose carboxyl derivatives.From this and similar experiments it is concluded, that COULOMBIC attracting forces have an important role in bringing the enzyme and the substrate together.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
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