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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% TRIFLUROETHANOL-D2 / H2O
4.0
1 atm
298
2
COSY
43% TRIFLUROETHANOL-D2 / H2O
4.0
1 atm
298
3
TOCSY SPECTRA
43% TRIFLUROETHANOL-D2 / 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
50
Conformers Submitted Total Number
13
Representative Model
1 (n/a)
Additional NMR Experimental Information
Details
THE SOLUTION STRUCTURES OF THE PEPTIDE (P26) BASED ON THE PHE508 REGION OF
CFTR WERE DETERMINED BY HOMONUCLEAR 1H NMR SPECTROSCOPY PERFORMED AT 600 MHZ.
THE PEPTIDE WAS SYNTHETICALLY MADE AND WAS UNLABELED. NOESY AT 100, 200 AND 300
MS MIXING TIMES, A TOCSY AT 65 MS AND COSY SPECTRA WERE COLLECTED AT 25OC IN
43% TFE-D2 AND H2O.