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Bacterial Peptide Display for the Selection of Novel Biotinylating Enzymes
JoVE Journal
Immunology and Infection
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JoVE Journal Immunology and Infection
Bacterial Peptide Display for the Selection of Novel Biotinylating Enzymes

Bacterial Peptide Display for the Selection of Novel Biotinylating Enzymes

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10:43 min

October 03, 2019

DOI:

10:43 min
October 03, 2019

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Summary

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Here we present a method to select for novel variants of the E. coli biotin-protein ligase BirA that biotinylates a specific target peptide. The protocol describes the construction of a plasmid for the bacterial display of the target peptide, generation of a BirA library, selection and characterization of BirA variants.

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