1K29
Solution Structure of a DNA Duplex Containing M1G Opposite a 2 Base Pair Deletion
SOLUTION NMR
NMR Experiment | ||||||||
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Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | NOESY | 2mM DNA, 10mM phosphate buffer, 0.1M NaCl, 50 uM EDTA , pH 7 | 99.96% D2o | 0.1M NaCl | 7 | ambient | 293 | |
2 | E-COSY | 2mM DNA, 10mM phosphate buffer, 0.1M NaCl, 50 uM EDTA , pH 7 | 99.96% D2o | 0.1M NaCl | 7 | ambient | 293 | |
3 | P-COSY | 2mM DNA, 10mM phosphate buffer, 0.1M NaCl, 50 uM EDTA , pH 7 | 99.96% D2o | 0.1M NaCl | 7 | ambient | 303 | |
4 | NOESY | 2mM DNA, 10mM phosphate buffer, 0.1M NaCl, 50 uM EDTA , pH 7 | 90% H2O/10% D2O | 0.1M NaCl | 7 | ambient | 278 |
NMR Spectrometer Information | |||
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Spectrometer | Manufacturer | Model | Field Strength |
1 | Bruker | AVANCE | 600 |
NMR Refinement | ||
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Method | Details | Software |
matrix relaxation, simulated annealing, distance restraints, dihedral angle restraints | XwinNMR |
NMR Ensemble Information | |
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Conformer Selection Criteria | the submitted structure is an average of 10 different structures that were back calculated and the data agreed with experimental NOESY spectrum |
Conformers Calculated Total Number | 20 |
Conformers Submitted Total Number | 1 |
Representative Model | 1 (minimized average structure) |
Additional NMR Experimental Information | |
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Details | This structure was determined using standard 2D homo- and hetero- nuclear techniques |
Computation: NMR Software | ||||
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# | Classification | Version | Software Name | Author |
1 | collection | XwinNMR | 2.6 | Bruker Instrument |
2 | data analysis | Felix | 2000 | accelrys |
3 | iterative matrix relaxation | MARDIGRAS | 3.0 | T. L. James |
4 | structure solution | X-PLOR | 3.85 | Brunger |
5 | refinement | X-PLOR | 3.85 | Brunger |