期刊
CHEMICAL COMMUNICATIONS
卷 51, 期 57, 页码 11482-11484出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5cc04721h
关键词
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资金
- French Ministry of Research [ANR-12-BSV5-0003]
- Fondation pour la Recherche Medicale [DCM20111223065]
- INSERM [PC201326]
- Agence Nationale de la Recherche (ANR) [ANR-12-BSV5-0003] Funding Source: Agence Nationale de la Recherche (ANR)
Recombinant proteins bearing a tag are crucial tools for assessing protein location or function. Small tags such as Cys4 tag (tetracysteine; Cys-Cys-X-X-Cys-Cys) are less likely disrupt protein function in the living cell than green fluorescent protein. Herein we report the first example of the design and synthesis of a dual fluorescence and hyperpolarized Xe-129 NMR-based sensor of Cys4-tagged proteins. This sensor becomes fluorescent when bound to such Cys4-tagged peptides, and the Xe-129 NMR spectrum exhibits a specific signal, characteristic of the biosensor-peptide association.
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