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 1XWU | pdb_00001xwu

Solution structure of ACAUAGA loop


SOLUTION NMR
NMR Experiment
ExperimentTypeSample ContentsSolventIonic StrengthpHPressureTemperature (K)Spectrometer
12D NOESY0.5mM RNA; 20mM phosphate buffer NA, 50mM NaCl; 95% H2O, 5% D2O95% H2O/5% D2O70 mM6.5ambient283
22D NOESY0.5mM RNA; 20mM phosphate buffer NA, 50mM NaCl; 100% D2O100% D2O70 mM6.5ambient283
32D TOCSY0.5mM RNA; 20mM phosphate buffer NA, 50mM NaCl; 100% D2O100% D2O70 mM6.5ambient283
4DQF-COSY0.5mM RNA; 20mM phosphate buffer NA, 50mM NaCl; 100% D2O100% D2O70 mM6.5ambient283
5HP-COSY0.5mM RNA; 20mM phosphate buffer NA, 50mM NaCl; 100% D2O100% D2O70 mM6.5ambient283
6HCP1mM RNA U-15N,13C; 20mM phosphate buffer NA, 50mM NaCl; 100% D2O100% D2O70 mM6.5ambient283
NMR Spectrometer Information
SpectrometerManufacturerModelField Strength
1BrukerDRX500
2BrukerDRX600
NMR Refinement
MethodDetailsSoftware
simulated annealingThe structure is based on a total of 292 restraints, 228 are NOE-derived distance constraints, 46 dihedral angle restraints, 13 distance restraints from hydrogen bonds, 5 base planarity restraints.XwinNMR
NMR Ensemble Information
Conformer Selection Criteria
Conformers Calculated Total Number
Conformers Submitted Total Number1
Representative Model (minimized average structure)
Additional NMR Experimental Information
DetailsThe structure was determined using triple-resonance NMR spectroscopy.
Computation: NMR Software
#ClassificationVersionSoftware NameAuthor
1collectionXwinNMR2.6
2processingXwinNMR2.6
3data analysisFelix97.0
4structure solutionDiscover97.0
5refinementDiscover97.0