1LAQ
Solution Structure of the B-DNA Duplex CGCGGTXTCCGCG (X=PdG) Containing the 1,N2-propanodeoxyguanosine Adduct with the Deoxyribose at C20 Opposite PdG in the C2' Endo Conformation.
SOLUTION NMR
NMR Experiment | ||||||||
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Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | 2D NOESY | 1.8 mM DNA strand, 10 mM sodium phosphate, 100 mM NaCl, 50 uM EDTA | D2O | 100 mM NaCl | 5.2 | ambient | 303 | |
2 | DQF-COSY | 1.8 mM DNA strand, 10 mM sodium phosphate, 100 mM NaCl, 50 uM EDTA | D2O | 100 mM NaCl | 5.2 | ambient | 303 | |
3 | 31P-1H COSY | 1.8 mM DNA strand, 10 mM sodium phosphate, 100 mM NaCl, 50 uM EDTA | D2O | 100 mM NaCl | 5.2 | ambient | 303 | |
4 | 2D NOESY | 1.8 mM DNA strand, 1 mM sodium phosphate, 100 mM NaCl, 50 uM EDTA | H2O/D2O | 100 mM NaCl | 5.2 | ambient | 278 |
NMR Spectrometer Information | |||
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Spectrometer | Manufacturer | Model | Field Strength |
1 | Bruker | DRX | 500 |
NMR Refinement | ||
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Method | Details | Software |
Molecular dynamics using a simulated annealing protocol. | UXNMR |
NMR Ensemble Information | |
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Conformer Selection Criteria | |
Conformers Calculated Total Number | |
Conformers Submitted Total Number | 1 |
Representative Model | 1 (minimized average structure) |
Computation: NMR Software | ||||
---|---|---|---|---|
# | Classification | Version | Software Name | Author |
1 | collection | UXNMR | 3.0 | Bruker |
2 | data analysis | Felix | 97.0, 2000 | Hare, D. |
3 | iterative matrix relaxation | MARDIGRAS | 3.2 | Borgias & James |
4 | refinement | X-PLOR | 3.8 | Brunger, A. |