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Photocleavable Polyethylene Glycol for the Light-Regulation of Protein Function

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journal contribution
posted on 18.08.2010, 00:00 by Wesleigh E. Georgianna, Hrvoje Lusic, Andrew L. McIver, Alexander Deiters
PEGylation is commonly employed to enhance the pharmacokinetic properties of proteins, but it can interfere with natural protein function. Protein activity can thus be abrogated through PEGylation, and a controllable means to remove the polyethylene glycol (PEG) group from the protein is desirable. As such, light affords a unique control over biomolecules through the application of photosensitive groups. Herein, we report the synthesis of a photocleavable PEG reagent (PhotoPEG) and its application to the light-regulation of enzyme activity.

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