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CYSTIC FIBROSIS TRANSMEMBRANE CONDUCTANCE REGULATOR: SOLUTION STRUCTURES OF PEPTIDES BASED ON THE PHE508 REGION, THE MOST COMMON SITE OF DISEASE-CAUSING DELTA-F508 MUTATION
SOLUTION NMR
NMR Experiment
Experiment
Type
Sample Contents
Solvent
Ionic Strength
pH
Pressure
Temperature (K)
Spectrometer
1
NOESY
43% TRIFLUROETHANAL AND H2O
4.0
1 atm
298
2
COSY
43% TRIFLUROETHANAL AND H2O
4.0
1 atm
298
3
TOCSY
43% TRIFLUROETHANAL AND H2O
4.0
1 atm
298
NMR Spectrometer Information
Spectrometer
Manufacturer
Model
Field Strength
1
Varian
UNITYPLUS
600
NMR Refinement
Method
Details
Software
distance geometry
X-PLOR
NMR Ensemble Information
Conformer Selection Criteria
LEAST RESTRAINTS VIOLATIONS AND LOW ENERGY
Conformers Calculated Total Number
13
Conformers Submitted Total Number
13
Representative Model
1 (n/a)
Additional NMR Experimental Information
Details
THE SOLUTION STRUCTURES THE P25 (25 AMINO ACID FRAGMENT FROM THE CFTR NBD-1) PEPTIDE WERE DETERMINED IN 43% TRIFLUROETHANOL AND H2O BY HOMONUCLEAR 1H NMR SPECTROSCOPY PREFORMED ON A 600 MHZ SPECTROMETER.. NOESY SPECTRA AT 100,200 AND 300 MS MIXING TIMES, TOCSY SPECTRUM AT 65 MS, AND COSY SPECTRUM WERE COLLECTED AND USED TO ASSIGN THE 1H RESONANCES AND NOES TO DETERMINE THE SOLUTION STRUCTURE