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Related Experiment Video

Updated: Jun 23, 2026

Method for Efficient Refolding and Purification of Chemoreceptor Ligand Binding Domain
14:25

Method for Efficient Refolding and Purification of Chemoreceptor Ligand Binding Domain

Published on: December 12, 2017

High-throughput protein refolding screening method using zeolite.

Takayuki Y Nara1, Hideaki Togashi, Chisato Sekikawa

  • 1Research Center for Compact Chemical Process, AIST, Central 5, 1-1-1 Higashi, Tsukuba, Ibaraki 305-8565, Japan.

Biotechnology Progress
|May 23, 2009
PubMed
Summary

A novel zeolite-based 96-well plate system efficiently refolds proteins. This method improves green fluorescent protein refolding compared to traditional dilution techniques.

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Area of Science:

  • Biochemistry
  • Protein Science
  • Materials Science

Background:

  • Protein misfolding and aggregation are significant challenges in biotechnology and medicine.
  • Efficient protein refolding is crucial for producing functional recombinant proteins.
  • Current refolding methods, like dilution, can be inefficient and time-consuming.

Purpose of the Study:

  • To develop a high-throughput screening system for optimizing protein refolding conditions.
  • To evaluate the efficacy of zeolite as a matrix for protein refolding.
  • To compare the performance of the zeolite-based system with conventional protein refolding methods.

Main Methods:

  • A 96-well-plate system utilizing zeolite for protein adsorption was established.
  • Denatured green fluorescent protein (GFP) was adsorbed onto zeolite in the presence of guanidine hydrochloride.

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Last Updated: Jun 23, 2026

Method for Efficient Refolding and Purification of Chemoreceptor Ligand Binding Domain
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  • Refolding conditions, including pH, salts, and additives, were screened using various buffers.

    • Main Results:

    • The zeolite-based system allowed for efficient screening of multiple refolding conditions simultaneously.
    • Green fluorescent protein (GFP) inclusion bodies were effectively refolded using the zeolite matrix.
    • Zeolite-mediated refolding of GFP demonstrated higher efficiency compared to the standard dilution method.

    Conclusions:

    • Zeolite provides a robust and efficient matrix for high-throughput protein refolding screening.
    • This novel system offers a significant improvement over conventional methods for protein refolding optimization.
    • The established system has broad applicability for various recombinant proteins requiring refolding.