Multicolor protein labeling in living cells using mutant β-lactamase-tag technology.

Abstract excerpt

Protein labeling techniques using small molecule probes have become important as practical alternatives to the use of fluorescent proteins (FPs) in live cell imaging. These labeling techniques can be applied to more sophisticated fluorescence imaging studies such as pulse-chase imaging. Previously, we reported a novel protein labeling system based on the combination of a mutant β-lactamase (BL-tag) with...

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