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Yeast surface display is a powerful protein engineering technology that is extensively used to improve various properties of proteins, including affinity, specificity, and stability or even to add novel functions (usually ligand binding). Apart from its robustness and versatility as an engineering tool, yeast display offers a further critical advantage: Once the selection campaign is finished, usually resulting in an oligoclonal pool, these enriched protein variants can be analyzed individually on the surface of yeast without the need for any sub-cloning, soluble expression, and purification. Here, we provide detailed protocols for determining both the affinity and the thermal stability of yeast displayed proteins. In addition, we discuss the advantages, challenges, and potential pitfalls associated with affinity and stability analysis using yeast surface display. © 2022. The Author(s), under exclusive license to Springer Science+Business Media, LLC, part of Springer Nature.


Charlotte U Zajc, Magdalena Teufl, Michael W Traxlmayr. Affinity and Stability Analysis of Yeast Displayed Proteins. Methods in molecular biology (Clifton, N.J.). 2022;2491:155-173

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PMID: 35482190

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