1KR8
Refinement of d(GCGAAGC) Hairpin Structure Using One-and Two-Bonds Residual Dipolar Couplings
SOLUTION NMR
NMR Experiment | ||||||||
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Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | 2D NOESY | 6mM natural abundance d(GCGAAGC), 10mM phosphate buffer Na | D2O | 10 mM | 6.7 | 1 atm | 303 | |
2 | 2D NOESY | 6mM natural abundance d(GCGAAGC), 10mM phosphate buffer Na, 90% H2O, 10% D2O | 90% H2O/10% D2O | 10 mM | 6.7 | 1 atm | 277 | |
3 | E-COSY | 6mM natural abundance d(GCGAAGC), 10mM phosphate buffer Na | D2O | 10 mM | 6.7 | 1 atm | 303 | |
4 | DQF-COSY | 6mM natural abundance d(GCGAAGC), 10mM phosphate buffer Na | D2O | 10 mM | 6.7 | 1 atm | 303 | |
5 | coupled HSQC | U-15N,13C, 0.5mM d(GCGAAGC), 10mM phosphate buffer Na, 90% H2O, 10% D2O | 90% H2O/10% D2O | 10 mM | 6.7 | 1 atm | 303 | |
6 | S3E E-COSY | U-15N,13C, 0.5mM d(GCGAAGC), 10mM phosphate buffer Na, 90% H2O, 10% D2O | 90% H2O/10% D2O | 10 mM | 6.7 | 1 atm | 303 |
NMR Spectrometer Information | |||
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Spectrometer | Manufacturer | Model | Field Strength |
1 | Bruker | AVANCE | 500 |
NMR Refinement | ||
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Method | Details | Software |
molecular dynamics | XwinNMR |
NMR Ensemble Information | |
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Conformer Selection Criteria | all calculated structures submitted |
Conformers Calculated Total Number | 14 |
Conformers Submitted Total Number | 14 |
Representative Model | 7 (closest to the average) |
Additional NMR Experimental Information | |
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Details | The structure was determined using triple-resonance NMR spectroscopy in isotropic and liquid crystalline phase. |
Computation: NMR Software | ||||
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# | Classification | Version | Software Name | Author |
1 | collection | XwinNMR | 2.1, 3.0 | Bruker |
2 | processing | XwinNMR | 2.1, 3.0 | Bruker |
3 | data analysis | Sparky | 3.x | T. D. Goddard and D. G. Kneller |
4 | structure solution | Amber | 6.0 | Kollman, Case et. al |
5 | refinement | Amber | 6.0 | Kollman, Case et. al |