2M4P
Solution structure of an intramolecular propeller-type G-quadruplex containing a single bulge
SOLUTION NMR
NMR Experiment | ||||||||
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Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | 2D 1H-1H TOCSY | 0.1-2.0 mM DNA (5'-D(*TP*TP*GP*TP*GP*GP*TP*GP*GP*GP*TP*GP*GP*GP*TP*GP*GP*GP*T)-3')-1 | 90% H2O/10% D2O | .05 | 7.0 | ambient | 298 | |
2 | 2D 1H-13C HSQC | 0.1-2.0 mM DNA (5'-D(*TP*TP*GP*TP*GP*GP*TP*GP*GP*GP*TP*GP*GP*GP*TP*GP*GP*GP*T)-3')-1 | 90% H2O/10% D2O | .05 | 7.0 | ambient | 298 | |
3 | 2D 1H-1H NOESY | 0.1-2.0 mM DNA (5'-D(*TP*TP*GP*TP*GP*GP*TP*GP*GP*GP*TP*GP*GP*GP*TP*GP*GP*GP*T)-3')-1 | 90% H2O/10% D2O | .05 | 7.0 | ambient | 298 | |
4 | 2D 1H-13C JR-HMBC | 0.1-2.0 mM DNA (5'-D(*TP*TP*GP*TP*GP*GP*TP*GP*GP*GP*TP*GP*GP*GP*TP*GP*GP*GP*T)-3')-1 | 90% H2O/10% D2O | .05 | 7.0 | ambient | 298 |
NMR Spectrometer Information | |||
---|---|---|---|
Spectrometer | Manufacturer | Model | Field Strength |
1 | Bruker | AVANCE | 600 |
NMR Refinement | ||
---|---|---|
Method | Details | Software |
DGSA-distance geometry simulated annealing, simulated annealing, molecular dynamics | X-PLOR NIH |
NMR Ensemble Information | |
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Conformer Selection Criteria | structures with the lowest energy |
Conformers Calculated Total Number | 100 |
Conformers Submitted Total Number | 10 |
Representative Model | 1 (lowest energy) |
Computation: NMR Software | ||||
---|---|---|---|---|
# | Classification | Version | Software Name | Author |
1 | geometry optimization | X-PLOR NIH | Schwieters, Kuszewski, Tjandra and Clore | |
2 | refinement | X-PLOR NIH | Schwieters, Kuszewski, Tjandra and Clore |