1KZX

Solution structure of human intestinal fatty acid binding protein with a naturally-occurring single amino acid substitution (A54T)


SOLUTION NMR
NMR Experiment
ExperimentTypeSample ContentsSolventIonic StrengthpHPressureTemperature (K)Spectrometer
11H-1H_TOCSY, 1H-1H_NOESY3mM T54 I-FABP, 20mM phosphate buffer, 0.05% sodium azide95% H2O/5% D2O20mM phosphate buffer6.5ambient310
21H-15N_HSQC, 1H-15N_HTQC, 3D_1H-15N_TOCSY-HMQC, 3D_1H-15N_NOESY-HMQC3mM T54 I-FABP U-15N, 20mM phosphate buffer, 0.05% sodium azide95% H2O/5% D2O20mM phosphate buffer6.5ambient310
NMR Spectrometer Information
SpectrometerManufacturerModelField Strength
1BrukerDMX500
NMR Refinement
MethodDetailsSoftware
simulated annealing combined with torsion angle dynamics and followed by energy minimizationthe structures are based on a total number of 2497 distance restraintsXwinNMR
NMR Ensemble Information
Conformer Selection Criteriatarget function
Conformers Calculated Total Number300
Conformers Submitted Total Number20
Computation: NMR Software
#ClassificationVersionSoftware NameAuthor
1collectionXwinNMR1.3Bruker
2data analysisnmr2st2.05P. Pristovsek
3structure solutionDYANA1.5P. Guentert
4refinementDiscover97MSI