1S9N
Solution structure of the nitrous acid (G)-(G) cross-linked DNA dodecamer duplex GCATCC(G)GATGC
SOLUTION NMR
NMR Experiment | ||||||||
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Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | 2D NOESY | 1mM DNA, 10mM Phosphate pH 7.0, 200mM NaCl, 1mM EDTA | 200mM | 7.0 | 1 atm | 298 | ||
2 | DQF-COSY | 1mM DNA, 10mM Phosphate pH 7.0, 200mM NaCl, 1mM EDTA | 200mM | 7.0 | 1 atm | 298 | ||
3 | H-P HETCOR | 1mM DNA, 10mM Phosphate pH 7.0, 200mM NaCl, 1mM EDTA | 200mM | 7.0 | 1 atm | 298 |
NMR Spectrometer Information | |||
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Spectrometer | Manufacturer | Model | Field Strength |
1 | Bruker | DMX | 750 |
2 | Bruker | DRX | 500 |
NMR Refinement | ||
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Method | Details | Software |
distance geometry, simulated annealing, molecular dynamics, relaxation matrix | The structures are based on a total of 715 distance restraints (560 are NOE-derived, 52 based on hydrogen bonding, 103 repulsive) and 178 dihedral angle restraints (106 backbone and 72 chiral). | XwinNMR |
NMR Ensemble Information | |
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Conformer Selection Criteria | back calculated data agree with experimental NOESY spectrum |
Conformers Calculated Total Number | 40 |
Conformers Submitted Total Number | 26 |
Representative Model | 1 (n/a) |
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 | XwinNMR | 1 | Bruker |
2 | processing | Felix | 1 | Hare |
3 | data analysis | Felix | 1 | Hare |
4 | structure solution | DGII | 1 | Biosym |
5 | structure solution | Discover | 1 | Biosym |
6 | iterative matrix relaxation | BIRDER | 1 | Zu |
7 | refinement | Discover | 1 | Biosym |