SOLUTION NMR
NMR Experiment | ||||||||
---|---|---|---|---|---|---|---|---|
Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | 2D NOESY | 0.7mM modified duplex | 10mM phosphate buffer with 0.1M NaCl and 0.05mM Na2EDTA (pH 7.0), D2O | 0.1M NaCl | 7.0 | 1 atm | 288 | |
2 | Magnitude COSY | 0.7mM modified duplex | 10mM phosphate buffer with 0.1M NaCl and 0.05mM Na2EDTA (pH 7.0), D2O | 0.1M NaCl | 7.0 | 1 atm | 288 | |
3 | E-COSY | 0.7mM modified duplex | 10mM phosphate buffer with 0.1M NaCl and 0.05mM Na2EDTA (pH 7.0), D2O | 0.1M NaCl | 7.0 | 1 atm | 298 | |
4 | DQF-COSY | 0.7mM modified duplex | 10mM phosphate buffer with 0.1M NaCl and 0.05mM Na2EDTA (pH 7.0), D2O | 0.1M NaCl | 7.0 | 1 atm | 298 | |
5 | P-COSY | 0.7mM modified duplex | 10mM phosphate buffer with 0.1M NaCl and 0.05mM Na2EDTA (pH 7.0), D2O | 0.1M NaCl | 7.0 | 1 atm | 298 | |
6 | 2D NOESY | 0.7mM modified duplex | 10mM phosphate buffer with 0.1M NaCl and 0.05mM Na2EDTA (pH 7.0), 90% H2O and 10% D2O | 0.1M NaCl | 7.0 | 1 atm | 278 |
NMR Spectrometer Information | |||
---|---|---|---|
Spectrometer | Manufacturer | Model | Field Strength |
1 | Bruker | TXI | 800 |
2 | Bruker | QXI | 600 |
3 | Bruker | TXI | 500 |
NMR Refinement | ||
---|---|---|
Method | Details | Software |
simulated annealing restrained molecular dynamics | X-PLOR |
NMR Ensemble Information | |
---|---|
Conformer Selection Criteria | structures with the lowest energy |
Conformers Calculated Total Number | 12 |
Conformers Submitted Total Number | 10 |
Representative Model | 1 (closest to the average) |
Additional NMR Experimental Information | |
---|---|
Details | The structure was determined using standard 2D homonuclear techniques |
Computation: NMR Software | ||||
---|---|---|---|---|
# | Classification | Version | Software Name | Author |
1 | refinement | X-PLOR | 3.1 | Brunger |
2 | processing | Felix | 95.0 | Biosym/MSI |
3 | iterative matrix relaxation | MARDIGRAS | 5.2 | Borgias |
4 | iterative matrix relaxation | CORMA | 5.2 | Keepers |