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International Institute of Molecular and Cell Biology, Warsaw (IIMCB)

1 ARTICLES PUBLISHED IN JoVE

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Genetics

In Vitro Directed Evolution of a Restriction Endonuclease with More Stringent Specificity
Krzysztof J. Skowronek 1, Matthias Bochtler 1
1International Institute of Molecular and Cell Biology, Warsaw (IIMCB)

Restriction endonucleases with new sequence specificity can be developed from enzymes recognizing a partially degenerate sequence. Here we provide a detailed protocol that we successfully used to alter the sequence specificity of NlaIV enzyme. Key ingredients of the protocol are the in vitro compartmentalization of the transcription/translation reaction and selection of variants with new sequence specificities.

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