Frozen Acrylamide Gels as Dynamic Nuclear Polarization Matrices #DNPNMR

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Frozen Acrylamide Gels as Dynamic Nuclear Polarization Matrices #DNPNMR

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NMR processing:

MDD

NMR assignment:

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Side-chains:

NOEs:

Structure from NMR restraints:

Ab initio:

Fragment-based:

Rosetta-NMR (Robetta)

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GeNMR

I-TASSER

Refinement:

Amber

Structure from chemical shifts:

Fragment-based:

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Torsion angles from chemical shifts:

Preditor

TALOS

Promega- Proline

Secondary structure from chemical shifts:

CSI (via RCI server)

TALOS

MICS caps, β-turns

d2D

PECAN

Flexibility from chemical shifts:

RCI

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HADDOCK

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SAVES2 or SAVES4

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V-NMR

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Methyl S2

B-factor

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From structure:

Shiftx2

Sparta+

Camshift

CH3shift- Methyl

ArShift- Aromatic

ShiftS

Proshift

PPM

CheShift-2- Cα

From sequence:

Shifty

Camcoil

Poulsen_rc_CS

Disordered proteins:

MAXOCC

Format conversion & validation:

CCPN

From NMR-STAR 3.1

Validate NMR-STAR 3.1

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Protein disorder:

DisMeta

Protein solubility:

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Solid-state NMR:

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09-06-2017, 04:13 PM

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Frozen Acrylamide Gels as Dynamic Nuclear Polarization Matrices #DNPNMR

From The DNP-NMR Blog:

Frozen Acrylamide Gels as Dynamic Nuclear Polarization Matrices #DNPNMR

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Viger-Gravel, J., et al., Frozen Acrylamide Gels as Dynamic Nuclear Polarization Matrices. Angewandte Chemie, 2017. 129(30): p. 8852-8856.

http://dx.doi.org/10.1002/ange.201703758

Aqueous acrylamide gels can be used to provide dynamic nuclear polarization (DNP) NMR signal enhancements of around 200 at 9.4 T and 100 K. The enhancements are shown to increase with crosslinker concentration and low concentrations of the AMUPol biradical. This DNP matrix can be used in situations where conventional incipient wetness methods fail, such as to obtain DNP surface enhanced NMR spectra from inorganic nanoparticles. In particular, we obtain 113Cd spectra from CdTe-COOH NPs in minutes. The spectra clearly indicate a highly disordered cadmium-rich surface.
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Go to The DNP-NMR Blog for more info.

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