NMR paper Motional effects on NMR structural data. Comparison of spinach and Escherichia coli a

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[NMR paper] Motional effects on NMR structural data. Comparison of spinach and Escherichia coli a

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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:

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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

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NMR sample preparation:

Protein disorder:

DisMeta

Protein solubility:

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Solid-state NMR:

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08-21-2010, 10:48 PM

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Motional effects on NMR structural data. Comparison of spinach and Escherichia coli a

Motional effects on NMR structural data. Comparison of spinach and Escherichia coli acyl carrier proteins.

Related Articles Motional effects on NMR structural data. Comparison of spinach and Escherichia coli acyl carrier proteins.

Biochem Pharmacol. 1990 Jul 1;40(1):7-13

Authors: Kim Y, Ohlrogge JB, Prestegard JH

Proteins in solution need not exist in a single rigid structure but can exist in a dynamic equilibrium among structural forms. The problems that this poses for structure determination using nuclear Overhauser effect data from two-dimensional NMR experiments are discussed and illustrated with data on functionally equivalent proteins from two different species. One of these proteins, acyl carrier protein from Escherichia coli, shows a single set of resonances, easily interpreted on the basis of a single rigid structure. However, the related protein, acyl carrier protein from spinach, shows two sets of resonances, suggesting that two conformers in dynamic equilibrium would be a better structural model.

PMID: 2196884 [PubMed - indexed for MEDLINE]

Source: PubMed

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