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2017 ; 26
(3
): 436-451
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(S)Pinning down protein interactions by NMR
#MMPMID28019676
Teilum K
; Kunze MB
; Erlendsson S
; Kragelund BB
Protein Sci
2017[Mar]; 26
(3
): 436-451
PMID28019676
show ga
Protein molecules are highly diverse communication platforms and their
interaction repertoire stretches from atoms over small molecules such as sugars
and lipids to macromolecules. An important route to understanding molecular
communication is to quantitatively describe their interactions. These types of
analyses determine the amounts and proportions of individual constituents that
participate in a reaction as well as their rates of reactions and their
thermodynamics. Although many different methods are available, there is currently
no single method able to quantitatively capture and describe all types of protein
reactions, which can span orders of magnitudes in affinities, reaction rates, and
lifetimes of states. As the more versatile technique, solution NMR spectroscopy
offers a remarkable catalogue of methods that can be successfully applied to the
quantitative as well as qualitative descriptions of protein interactions. In this
review we provide an easy-access approach to NMR for the non-NMR specialist and
describe how and when solution state NMR spectroscopy is the method of choice for
addressing protein ligand interaction. We describe very briefly the theoretical
background and illustrate simple protein-ligand interactions as well as typical
strategies for measuring binding constants using NMR spectroscopy. Finally, this
review provides examples of caveats of the method as well as the options to
improve the outcome of an NMR analysis of a protein interaction reaction.
|Nuclear Magnetic Resonance, Biomolecular/*methods
[MESH]