Abstract
Lectins are useful reagents for the structural characterization of glycans. However, currently available lectins have an apparent drawback in their “repertoire,” lacking some critical probes, such as those for sulfated glycans. Thus, engineering lectins with novel specificity would be of great practical value. Here, we describe a directed evolution strategy to tailor novel lectins for novel specificity or biological functions. Our strategy uses a reinforced ribosome display-based selection combined with error-prone PCR to isolate mutants with target specificity and an evanescent-field fluorescence-assisted glycoconjugate microarray to rapidly evaluate the specificity of selected mutants. A successful case of screening a lectin, which has acquired an ability to recognize 6-sulfo-galactose-terminated glycans, is described.
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Hu, D., Tateno, H., Hirabayashi, J. (2014). Directed Evolution of Lectins by an Improved Error-Prone PCR and Ribosome Display Method. In: Hirabayashi, J. (eds) Lectins. Methods in Molecular Biology, vol 1200. Humana Press, New York, NY. https://doi.org/10.1007/978-1-4939-1292-6_43
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DOI: https://doi.org/10.1007/978-1-4939-1292-6_43
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Publisher Name: Humana Press, New York, NY
Print ISBN: 978-1-4939-1291-9
Online ISBN: 978-1-4939-1292-6
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