NMR paper 19F NMR evidence for interactions between the c-AMP binding sites on the c-AMP recept

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[NMR paper] 19F NMR evidence for interactions between the c-AMP binding sites on the c-AMP recept

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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

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NMR sample preparation:

Protein disorder:

DisMeta

Protein solubility:

Isotope labeling:

Solid-state NMR:

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08-21-2010, 11:16 PM

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19F NMR evidence for interactions between the c-AMP binding sites on the c-AMP recept

19F NMR evidence for interactions between the c-AMP binding sites on the c-AMP receptor protein from E. coli.

Related Articles 19F NMR evidence for interactions between the c-AMP binding sites on the c-AMP receptor protein from E. coli.

FEBS Lett. 1991 May 20;283(1):127-30

Authors: Hinds MG, King RW, Feeney J

The 19F NMR spectra of 3-fluorotyrosine containing c-AMP receptor protein (CRP) from E. coli have been recorded in the presence of increasing amounts of c-AMP. One of the signals (from Tyr B) shifts upfield by 0.6 ppm in the presence of excess c-AMP and shows both slow and fast exchange behaviour during the titration. This is evidence for interactions between the two c-AMP binding sites on the CRP dimer leading to different dissociation rate constants (less than or equal to 75 s-1; greater than or equal to 350 s-1) for complexes containing one and two c-AMP molecules.

PMID: 1645291 [PubMed - indexed for MEDLINE]

Source: PubMed

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