Development of chromophore-assisted laser scarring method for characterization of drug target proteins

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We have studied the detailed mechanisms of chromophore-assisted laser inactivation (CALI) to apply it for labeling drug target proteins in living cells for functional annotation. We have succeeded in confirming the usefulness of the method to selectively detect the small molecule-binding proteins on electrophoresis gels. In addition, we have established a novel method to characterize the proteins with desired enzymatic activities with use of small molecular fluorescent probes.