1SY8
Structure of DNA sequence d-TGATCA by two-dimensional nuclear magnetic resonance spec and restrained molecular dynamics
SOLUTION NMR
NMR Experiment | ||||||||
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Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | 2D NOESY | 3.68mM duplex concentration; 20mM phosphate buffer with 15mM NaCl | D2O | 20mM Phosphate buffer; 15mM NaCl | 7.0 | AMBIENT | 295 | |
2 | DQF-COSY | 4.57mM duplex concentration; 20mM phosphate buffer with 15mM NaCl | 90% H2O/10% D2O | 20mM Phosphate buffer; 15mM NaCl | 7.0 | AMBIENT | 295 |
NMR Spectrometer Information | |||
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Spectrometer | Manufacturer | Model | Field Strength |
1 | Bruker | AM | 500 |
NMR Refinement | ||
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Method | Details | Software |
Simulated annealing, molecular dynamics | The structure is based on total 95 intra residue and 26 inter residue NOESY restraints and 12 torsinal angle restraints. | Discover |
NMR Ensemble Information | |
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Conformer Selection Criteria | structures with acceptable covalent geometry |
Conformers Calculated Total Number | 25 |
Conformers Submitted Total Number | 10 |
Representative Model | 1 (fewest violations) |
Additional NMR Experimental Information | |
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Details | For imino protons 1D water spectra Vs temperature was also done |
Computation: NMR Software | ||||
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# | Classification | Version | Software Name | Author |
1 | refinement | Discover | 97 |