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Related Experiment Videos

A colorimetric assay for alpha-hydroxynitrile lyase.

D Selmar1, F J Carvalho, E E Conn

  • 1Botanisches Institut, Technische Universität, Braunschweig, West Germany.

Analytical Biochemistry
|October 1, 1987
PubMed
Summary

A new colorimetric assay was developed to measure alpha-hydroxynitrile lyase activity. This method quantifies hydrogen cyanide (HCN) released from acetone cyanohydrin, offering a versatile tool for enzyme research.

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Area of Science:

  • Biochemistry
  • Enzymology

Background:

  • Alpha-hydroxynitrile lyase (HNL) is a crucial enzyme in various biological pathways.
  • Accurate quantification of HNL activity is essential for biochemical studies and enzyme characterization.

Purpose of the Study:

  • To develop a novel colorimetric assay for quantifying alpha-hydroxynitrile lyase activity.
  • To establish a reliable method for measuring hydrogen cyanide (HCN) production catalyzed by HNL.

Main Methods:

  • The assay utilizes acetone cyanohydrin as a substrate.
  • It measures the amount of hydrogen cyanide (HCN) liberated by the enzyme.
  • Colorimetric detection of HCN allows for quantitative analysis.

Main Results:

  • A functional colorimetric assay for alpha-hydroxynitrile lyase was successfully developed.

Related Experiment Videos

  • The assay is based on the measurement of hydrogen cyanide (HCN) produced from acetone cyanohydrin.
  • The method is adaptable for other cyanohydrin substrates.

    • Conclusions:

    • The described colorimetric assay provides a sensitive and specific method for determining alpha-hydroxynitrile lyase activity.
    • This assay is valuable for biochemical research involving HNL and related enzymes.
    • The procedure's applicability to various cyanohydrins enhances its utility in enzymology.