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Related Experiment Video

Updated: Nov 26, 2025

Organic Solvent-Based Protein Precipitation for Robust Proteome Purification Ahead of Mass Spectrometry
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Optimization of solvent media to solubilize TEV protease using response surface method.

Niloufar Mohammadian1, Hossein Mohammadian1, Fatemeh Moazen1

  • 1Department of Pharmaceutical Biotechnology, School of Pharmacy and Pharmaceutical Sciences, Isfahan University of Medical Sciences, Isfahan, I.R. Iran.

Research in Pharmaceutical Sciences
|December 14, 2020
PubMed
Summary

This study optimized Tobacco etch virus (TEV) protease solubility using additives during cell lysis. L-proline, sodium selenite, and CuCl2 were identified as key additives for enhancing solubility.

Keywords:
Lysis bufferPlackett-Burman methodResponse surface methodSolubilitySolubilizing additivesTEV protease

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Area of Science:

  • Biochemistry
  • Molecular Biology
  • Protein Engineering

Background:

  • Tobacco etch virus (TEV) protease is a valuable enzyme for protein purification due to its unique cleavage specificity.
  • Despite its utility, TEV protease suffers from low solubility, limiting its practical applications.
  • Enhancing protein solubility is crucial for efficient protein production and utilization.

Purpose of the Study:

  • To investigate the effect of various additives during cell lysis on TEV protease solubility.
  • To identify optimal conditions for improving the solubility of recombinant TEV protease.
  • To develop a cost-effective method for producing soluble TEV protease.

Main Methods:

  • Screening of eleven different additives in twelve lysis buffer formulations.
  • Utilizing Plackett-Burman and response surface methodology for solubility analysis.
  • Optimizing the concentration of identified effective additives.

Main Results:

  • Identification of L-proline, sodium selenite, and CuCl2 as the most effective additives for enhancing TEV protease solubility.
  • Software analysis guided the selection of optimal additive concentrations.
  • Significant improvement in TEV protease solubility was achieved.

Conclusions:

  • The study successfully identified an optimal solvent composition for producing soluble TEV protease.
  • The findings provide a practical approach to overcome solubility challenges with TEV protease.
  • This optimized method can facilitate broader applications of TEV protease in biotechnology and research.