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Inhibition of Dictyostelium discoideum beta-glucosidase by purines.

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Publication Date
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PMC
Keywords
  • Research Article
Disciplines
  • Biology

Abstract

beta-Glucosidase of Dictyostelium discoideum is inhibited by purines in the following order: adenine greater than adenosine greater than 6-methylaminopurine greater than hypoxanthine greater than inosine greater than purine greater than guanosine. Adenine inhibits activity by 50% at 1 to 2 mM. The kinetics are complex because the enzyme is stimulated by substrate and inhibited by glucose.

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