4.7 Article

Turn-on fluorescence switch involving aggregation and elimination processes for beta-lactamase-tag

Journal

CHEMICAL COMMUNICATIONS
Volume 46, Issue 39, Pages 7403-7405

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c0cc02432e

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Funding

  1. Japan Society for the Promotion of Science (JSPS)
  2. Ministry of Education, Culture, Sports, Science and Technology (MEXT) of Japan
  3. Ministry of Health, Labour and Welfare (MHLW) of Japan
  4. New Energy and Industrial Technology Development Organization (NEDO) of Japan
  5. Takeda Science Foundation
  6. Osaka University

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The targeted protein of interest is fused with genetically modified beta-lactamase enzyme, which reacts with the probe in physiological conditions to break the aggregated interaction between the fluorophore and quencher. This alliance-separation technique is new for protein labeling and is probed in vitro and in live cell imaging studies.

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