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A modern day light microscope has evolved from a tool devoted to making primarily empirical observations to what is now a sophisticated , quantitative device that is an integral part of both physical and life science research. Nowadays, microscopes are found in nearly every experimental laboratory. However, despite their prevalent use in capturing and quantifying scientific phenomena, neither a thorough...
The in vivo and in vitro labeling of fusion proteins with synthetic molecules capable of probing and controlling protein function has the potential to become an important method in functional genomics and proteomics. We have recently introduced an approach for the specific labeling of fusion proteins, which is based on the generation of fusion proteins with the human DNA repair protein O 6 ...
We report here the generation of mutants of the human O 6 -alkylguanine-DNA alkyltransferase (hAGT) for the efficient in vivo labeling of fusion proteins with synthetic reporter molecules. Libraries of hAGT were displayed on phage, and mutants capable of efficiently reacting with the inhibitor O 6 -benzylguanine were selected based on their ability to irreversibly transfer the benzyl...
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