NMR paper Folding of a beta-sheet protein monitored by real-time NMR spectroscopy.

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[NMR paper] Folding of a beta-sheet protein monitored by real-time NMR spectroscopy.

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NMR processing:

MDD

NMR assignment:

Backbone:

Side-chains:

NOEs:

Structure from NMR restraints:

Ab initio:

Fragment-based:

Rosetta-NMR (Robetta)

Template-based:

GeNMR

I-TASSER

Refinement:

Amber

Structure from chemical shifts:

Fragment-based:

Homology-based:

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

Interactions from chemical shifts:

HADDOCK

Chemical shifts re-referencing:

NMR model quality:

NOEs, other restraints:

Chemical shifts:

RDCs:

Pseudocontact shifts:

Protein geomtery:

SAVES2 or SAVES4

Quality Control Check

NMR spectrum prediction:

FANDAS

MestReS

V-NMR

Flexibility from structure:

Backbone S2

Methyl S2

B-factor

Molecular dynamics:

Gromacs

Amber

Antechamber

Chemical shifts prediction:

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

NMR sample preparation:

Protein disorder:

DisMeta

Protein solubility:

Isotope labeling:

Solid-state NMR:

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11-24-2010, 09:01 PM

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Folding of a beta-sheet protein monitored by real-time NMR spectroscopy.

Folding of a beta-sheet protein monitored by real-time NMR spectroscopy.

Related Articles Folding of a beta-sheet protein monitored by real-time NMR spectroscopy.

J Mol Biol. 2003 May 16;328(5):1161-71

Authors: Mizuguchi M, Kroon GJ, Wright PE, Dyson HJ

At low ionic strength, apoplastocyanin forms an unfolded state under non-denaturing conditions. The refolding of this state is sufficiently slow to allow real-time NMR experiments to be performed. Folding of apoplastocyanin, initiated by the addition of salt and followed by real-time 2D 1H-15N heteronuclear single quantum coherence (HSQC) spectroscopy, is highly cooperative. A concomitant increase in the intensity of both sequential and long-range nuclear Overhauser effects (NOEs) between backbone amide protons in successive acquisitions of 1H-15N HSQC-NOESY-HSQC spectra provides the first direct observation of the development of structure-specific NOEs as a protein folds. Our results show that the local and long-range interactions in the native apoplastocyanin are formed simultaneously, consistent with highly cooperative formation of the native structure.

PMID: 12729749 [PubMed - indexed for MEDLINE]

Source: PubMed

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