2O33

Solution structure of U2 snRNA stem I from S. cerevisiae


SOLUTION NMR
NMR Experiment
ExperimentTypeSample ContentsSolventIonic StrengthpHPressureTemperature (K)Spectrometer
12D NOESY0.5 mM unlabeled RNA; 50 mM NaCl; 90% H2O, 10% D2O90% H2O/10% D2O50 mM NaCl7.0ambient283
22D NOESY0.5 mM unlabeled RNA; 50 mM NaCl; 99.99% D2O99.99% D2O50 mM NaCl7.0ambient303
32D HNC(O)0.5 mM 13C/15N RNA; 50 mM NaCl; 90% H2O, 10% D2O90% H2O/10% D2O50 mM NaCl7.0ambient283
42D HCC0.5 mM 13C/15N RNA; 50 mM NaCl; 99.99% D2O99.99% D2O50 mM NaCl7.0ambient303
52D 13C-1H CT-HSQC0.5 mM 13C/15N RNA; 50 mM NaCl; 99.99% D2O99.99% D2O50 mM NaCl7.0ambient303
63D 13C-separated TOCSY0.5 mM 13C/15N RNA; 50 mM NaCl; 99.99% D2O99.99% D2O50 mM NaCl7.0ambient303
NMR Spectrometer Information
SpectrometerManufacturerModelField Strength
1BrukerDMX750
2VarianINOVA900
NMR Refinement
MethodDetailsSoftware
simulated annealing molecular dynamics torsion angle dynamicsCNS
NMR Ensemble Information
Conformer Selection Criteriastructures with the lowest energy
Conformers Calculated Total Number100
Conformers Submitted Total Number20
Representative Model1 (lowest energy)
Computation: NMR Software
#ClassificationVersionSoftware NameAuthor
1structure solutionCNS1.1Brunger, Adams, Clore, Delano, Gros, Grossekunstleve, Jiang, Kuszewski, Nilges, Pannu, Read, Rice, Simonson, Warren
2refinementX-PLOR2.11.0Schwieters, Kuszewski, Tjandra, Clore