DNP-assisted solid-state NMR enables detection of proteins at nanomolar concentrations in fully protonated cellular milieu
DNP-assisted solid-state NMR enables detection of proteins at nanomolar concentrations in fully protonated cellular milieu
With the sensitivity enhancements conferred by dynamic nuclear polarization (DNP), magic angle spinning (MAS) solid state NMR spectroscopy experiments can attain the necessary sensitivity to detect very low concentrations of proteins. This potentially enables structural investigations of proteins at their endogenous levels in their biological contexts where their native stoichiometries with potential interactors is maintained. Yet, even with DNP, experiments are still sensitivity limited.... More... |
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