1F5H
The G7(syn)-G4(anti) structure of r(GCAGGCGUGC)2
SOLUTION NMR
NMR Experiment | ||||||||
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Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | 2D NOESY | 80 mM NaCl; 10 mM phosphate, pH 7 | D2O | 80 mM | 7 | ambient | 310.15 | |
2 | DQF-COSY | 80 mM NaCl; 10 mM phosphate, pH 7 | D2O | 80 mM | 7 | ambient | 310.15 |
NMR Spectrometer Information | |||
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Spectrometer | Manufacturer | Model | Field Strength |
1 | Varian | INOVA | 500 |
NMR Refinement | ||
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Method | Details | Software |
Simulated annealing; Energy minimization | The structures are based on 88 NOE distance restraints, 11 hydrogen-bond restraints for Watson-Crick pairs, and loosely restrained torsion angles. 22 of 25 structures were used to generate the minimized, averaged structure. G4 was restrained to the syn glycosidic conformation | VNMR |
NMR Ensemble Information | |
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Conformer Selection Criteria | structures with the lowest energy. First model represents the minimized averaged structure |
Conformers Calculated Total Number | 40 |
Conformers Submitted Total Number | 26 |
Representative Model | 1 (minimized average structure) |
Additional NMR Experimental Information | |
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Details | This structure was determined using standard 2D homonuclear techniques |
Computation: NMR Software | ||||
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# | Classification | Version | Software Name | Author |
1 | collection | VNMR | 5.2 | Varian |
2 | data analysis | Felix | 95.0 | Biosym |
3 | structure solution | Discover | 95.0 | Biosym |
4 | refinement | Discover | 95.0 | Biosym |