Chemical modification of proteins by insertion of synthetic peptides using tandem protein trans-splicing

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Manipulation of proteins by chemical modification is a powerful way to decipher their function. However, most ribosome-dependent and semi-synthetic methods have limitations in the number and type of modifications that can be introduced, especially in live cells. Here, we present an approach to incorporate single or multiple post-translational modifications or non-canonical amino acids into proteins expressed in eukaryotic cells. We insert synthetic peptides into GFP, NaV1.5 and P2X2 receptors via tandem protein trans-splicing using two orthogonal split intein pairs and validate our approach by investigating protein function. We anticipate the approach will overcome some drawbacks of existing protein enigineering methods.

OriginalsprogEngelsk
Artikelnummer2284
TidsskriftNature Communications
Vol/bind11
Udgave nummer1
Antal sider10
ISSN2041-1723
DOI
StatusUdgivet - 1 dec. 2020

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