1WKS
Solution structure of an RNA stem-loop derived from the 3' conserved region of eel LINE UnaL2
SOLUTION NMR
NMR Experiment | ||||||||
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Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | 2D NOESY | 1mM RNA FRAGMENT; 10mM phosphate buffer, 50 mM NaCl; 100% D2O | 100% D2O | 50mM NaCl | 6.0 | ambient | 298 | |
2 | 2D NOESY | 1mM RNA FRAGMENT; 10mM phosphate buffer, 50 mM NaCl; 100% D2O | 100% D2O | |||||
3 | 2D TOCSY | 1mM RNA FRAGMENT; 10mM phosphate buffer, 50 mM NaCl; 100% D2O | 100% D2O | 50mM NaCl | 6.0 | ambient | 298 | |
4 | DQF-COSY | 1mM RNA FRAGMENT; 10mM phosphate buffer, 50 mM NaCl; 100% D2O | 100% D2O | 50mM NaCl | 6.0 | ambient | 298 | |
5 | 2D-HSQC | 1mM RNA FRAGMENT; 10mM phosphate buffer, 50 mM NaCl; 100% D2O | 100% D2O | |||||
6 | 1D-HSQC-selected spectrum | 1mM RNA FRAGMENT; 10mM phosphate buffer, 50 mM NaCl; 100% D2O | 100% D2O | |||||
7 | 1D-HSQC-filtered spectrum | 1mM RNA FRAGMENT; 10mM phosphate buffer, 50 mM NaCl; 100% D2O | 100% D2O |
NMR Spectrometer Information | |||
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Spectrometer | Manufacturer | Model | Field Strength |
1 | Bruker | DRX | 500 |
2 | Bruker | DRX | 600 |
NMR Refinement | ||
---|---|---|
Method | Details | Software |
simulated annealing | The structures are based on a total of 298 restraints, 204 are NOE-derived distance constraints, 80 dihedral angle restraints, 14 distance restraints from hydrogen bonds. | XwinNMR |
NMR Ensemble Information | |
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Conformer Selection Criteria | structures with the lowest energy |
Conformers Calculated Total Number | 100 |
Conformers Submitted Total Number | 21 |
Representative Model | 1 (minimized average structure) |
Computation: NMR Software | ||||
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# | Classification | Version | Software Name | Author |
1 | processing | XwinNMR | 2.6 | BRUKER |
2 | data analysis | Felix | 97.0 | Molecular Simulations |
3 | structure solution | Discover | 97.0 | Accelrys |
4 | refinement | Discover | 97.0 | Accelrys |