1F5G

The G7(syn)-G4(anti) structure of r(GCAGGCGUGC)2


SOLUTION NMR
NMR Experiment
ExperimentTypeSample ContentsSolventIonic StrengthpHPressureTemperature (K)Spectrometer
12D NOESY80 mM NaCl; 10 mM phosphate, pH 7D2O80 mM NaCl7ambient310.15
2DQF-COSY80 mM NaCl; 10 mM phosphate, pH 7D2O80 mM NaCl7ambient310.15
NMR Spectrometer Information
SpectrometerManufacturerModelField Strength
1VarianINOVA500
NMR Refinement
MethodDetailsSoftware
Simulated annealing, Energy minimizationThe structures are based on 90 NOE distance restraints, 11 hydrogen-bond restraints for Watson-Crick pairs, and loosely restrained torsion angles. G7 was restrained to the syn glycosidic conformationVNMR
NMR Ensemble Information
Conformer Selection Criteriastructures with the lowest energy. First model represents the minimized averaged structure
Conformers Calculated Total Number40
Conformers Submitted Total Number26
Representative Model1 (minimized average structure)
Additional NMR Experimental Information
DetailsThis structure was determined using standard 2D homonuclear techniques
Computation: NMR Software
#ClassificationVersionSoftware NameAuthor
1collectionVNMR5.2Varian
2data analysisFelix95.0Biosym
3structure solutionDiscover95.0Biosym
4refinementDiscover95.0Biosym