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Coupling Binding to Catalysis: Using Yeast Cell Surface Display to Select Enzymatic Activities.

Keya Zhang1, Karan Bhuripanyo, Yiyang Wang

  • 1Department of Chemistry, University of Chicago, 929 E57th Street, Chicago, IL, 60637, USA.

Methods in Molecular Biology (Clifton, N.J.)
|June 11, 2015
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Summary

Yeast cell surface display enables enzyme engineering by selecting for high-affinity binders to reaction intermediates. This method utilizes library design, construction, and advanced cell sorting techniques for enzyme improvement.

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Area of Science:

  • Biotechnology
  • Enzyme Engineering
  • Molecular Biology

Background:

  • Enzyme engineering is crucial for developing biocatalysts with improved properties.
  • Cell surface display offers a powerful platform for screening large enzyme libraries.

Purpose of the Study:

  • To demonstrate the utility of yeast cell surface display for engineering enzymes.
  • To outline key methodologies for enzyme library construction and selection.

Main Methods:

  • Enzyme library design and construction in yeast.
  • Selection of high-affinity enzyme variants using magnetic-activated cell sorting (MACS).
  • Further enrichment using fluorescence-activated cell sorting (FACS).

Main Results:

  • Successful application of yeast cell surface display for enzyme engineering.
  • Identification of enzyme variants with enhanced binding affinity to reaction intermediates.
  • Demonstration of efficient library screening through combined MACS and FACS.

Conclusions:

  • Yeast cell surface display is an effective strategy for engineering enzyme affinity.
  • The described methods provide a robust pipeline for directed evolution of enzymes.
  • This approach facilitates the development of novel biocatalysts for various applications.