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Related Experiment Videos

Seabream antiquitin: molecular cloning, tissue distribution, subcellular localization and functional expression.

Wai-Kwan Tang1, Chi-Bun Chan, Christopher H K Cheng

  • 1Department of Biochemistry, The Chinese University of Hong Kong, Shatin, NT, Hong Kong, China.

FEBS Letters
|June 22, 2005
PubMed
Summary

Researchers cloned the full-length cDNA sequence for seabream antiquitin protein. This cytosolic enzyme, highly expressed in liver and kidney, shows similar kinetics whether native or recombinant.

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Area of Science:

  • Biochemistry
  • Molecular Biology
  • Genomics

Background:

  • Previous work reported the initial purification and enzymatic activity of seabream antiquitin protein.
  • Understanding the genetic and expression profile of antiquitin is crucial for further functional studies.

Purpose of the Study:

  • To clone the full-length cDNA sequence of seabream antiquitin.
  • To investigate the expression patterns and subcellular localization of antiquitin.
  • To characterize the recombinant antiquitin protein.

Main Methods:

  • Complementary DNA (cDNA) cloning of antiquitin.
  • Reverse Transcription Polymerase Chain Reaction (RT-PCR) for expression analysis.
  • Eukaryotic cell transfection for subcellular localization.

Related Experiment Videos

  • Bacterial expression and purification of recombinant antiquitin.

    • Main Results:

    • The full-length cDNA sequence encoding a 511-amino acid protein was obtained.
    • Antiquitin is highly expressed in seabream liver and kidney tissues.
    • Transfection studies confirmed antiquitin as a cytosolic protein.
    • Recombinant antiquitin displayed comparable kinetic properties to the native enzyme.

    Conclusions:

    • The cloning of seabream antiquitin cDNA provides a basis for further molecular and functional investigations.
    • The expression profile and cytosolic localization offer insights into its biological role.
    • Recombinant expression facilitates detailed biochemical characterization of antiquitin.