Site-specific dynamic nuclear polarization in a Gd(III)-labeled protein.

doi:10.1039/d0cp05021k

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Article

Site-specific dynamic nuclear polarization in a Gd(III)-labeled protein.

Physical chemistry chemical physics : PCCP - 18 Nov 2020

Heiliger Jörg, Matzel Tobias, Çetiner Erhan Can, Schwalbe Harald, Kuenze Georg, Corzilius Björn

Abstract excerpt

Dynamic nuclear polarization (DNP) of a biomolecule tagged with a polarizing agent has the potential to not only increase NMR sensitivity but also to provide specificity towards the tagging site. Although the general concept has been often discussed, the observation of true site-specific DNP and its dependence on the electron-nuclear distance has been elusive. Here, we demonstrate site-specific DNP in a uniformly...

Topics

Gadolinium
Isotope Labeling
Mutation
Nuclear Magnetic Resonance, Biomolecular
Recombinant Proteins
Ubiquitin

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Identifiers

PMID: 33103678
DOI: 10.1039/d0cp05021k
PMCID: PMC7696004

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