Highly Efficient Production of Soluble Proteins from Insoluble Inclusion Bodies by a Two-Step-Denaturing and Refolding Method
2011

Efficient Production of Soluble Proteins from Inclusion Bodies

Sample size: 88 publication Evidence: high

Author Information

Author(s): Yang Zhong, Zhang Linlin, Zhang Yan, Zhang Ting, Feng Yanye, Lu Xiuxiu, Lan Wenxian, Wang Jufang, Wu Houming, Cao Chunyang, Wang Xiaoning

Primary Institution: Fudan University

Hypothesis

The two-step-denaturing and refolding (2DR) method is more effective than the traditional one-step method for producing soluble proteins from inclusion bodies.

Conclusion

The two-step-denaturing and refolding method significantly improves the yield and quality of soluble proteins compared to the one-step method.

Supporting Evidence

  • The 2DR method yielded 76% of proteins refolded with an average of over 75% yield of soluble proteins.
  • The refolding yield of EGFP using the 2DR method was nearly 100%.
  • MMP-12 produced 45 mg of soluble protein through the 2DR method, almost double that from the one-step method.

Takeaway

Scientists found a better way to make proteins that were stuck together in clumps, helping them to work properly again.

Methodology

The study compared a two-step denaturing and refolding method with a one-step method using various proteins expressed in E. coli.

Limitations

The study primarily focused on proteins expressed in E. coli and may not be applicable to all types of proteins.

Digital Object Identifier (DOI)

10.1371/journal.pone.0022981

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