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Related Experiment Videos

Aminoacylase from Micrococcus agilis

E Szwajcer, A Szewczuk, M Mordarski

    Acta Biochimica Polonica
    |January 1, 1980
    PubMed
    Summary

    Researchers purified an intracellular aminoacylase from Micrococcus agilis CCM 2131. This enzyme specifically hydrolyzes N-acetylated L-amino acids and is sensitive to various inhibitors.

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    Area of Science:

    • Biochemistry
    • Enzymology
    • Microbiology

    Background:

    • Aminoacylases are crucial enzymes involved in amino acid metabolism.
    • Understanding enzyme specificity and inhibition is key to biochemical research.
    • Micrococcus agilis is a bacterial species with potential biotechnological applications.

    Purpose of the Study:

    • To purify and characterize the intracellular aminoacylase from Micrococcus agilis CCM 2131.
    • To investigate the substrate specificity and stereospecificity of the purified enzyme.
    • To identify potential inhibitors of the aminoacylase activity.

    Main Methods:

    • Purification of intracellular aminoacylase using biochemical techniques.
    • Homogeneity assessment via polyacrylamide-gel electrophoresis (PAGE).
    • Determination of molecular weight and enzyme activity assays.

    Main Results:

    • The enzyme was purified 430-fold with a 23% yield and found to be homogeneous.
    • The molecular weight of the purified aminoacylase was determined to be 58,000.
    • The enzyme exhibited stereospecific hydrolysis of various acylated L-amino acids, notably N-acetyl-L-phenylglycine.

    Conclusions:

    • The intracellular aminoacylase from Micrococcus agilis CCM 2131 is a well-characterized enzyme with specific hydrolytic activity.
    • The enzyme's activity is modulated by specific inhibitors, including 1,10-phenanthroline, N-bromosuccinimide, mercaptoethanol, and glycylglycine.
    • This study provides valuable insights into aminoacylase function and inhibition for potential biochemical applications.

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