2M18
Structure of stacked G-quadruplex formed by human TERRA sequence in potassium solution
SOLUTION NMR
NMR Experiment | ||||||||
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Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | 2D 1H-13C HSQC aliphatic | 1.25 mM RNA (5'-R(*GP*GP*GP*UP*UP*AP*GP*GP*GP*U)-3')-1 | 90% H2O/10% D2O | 90 | 7 | ambient | 298 | |
2 | 2D 1H-13C HSQC aromatic | 1.25 mM RNA (5'-R(*GP*GP*GP*UP*UP*AP*GP*GP*GP*U)-3')-1 | 90% H2O/10% D2O | 90 | 7 | ambient | 298 | |
3 | 2D 1H-1H TOCSY | 1.25 mM RNA (5'-R(*GP*GP*GP*UP*UP*AP*GP*GP*GP*U)-3')-1 | 90% H2O/10% D2O | 90 | 7 | ambient | 298 | |
4 | 2D 1H-1H COSY | 1.25 mM RNA (5'-R(*GP*GP*GP*UP*UP*AP*GP*GP*GP*U)-3')-1 | 90% H2O/10% D2O | 90 | 7 | ambient | 298 | |
5 | 2D 1H-1H NOESY | 1.25 mM RNA (5'-R(*GP*GP*GP*UP*UP*AP*GP*GP*GP*U)-3')-1 | 90% H2O/10% D2O | 90 | 7 | ambient | 298 |
NMR Spectrometer Information | |||
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Spectrometer | Manufacturer | Model | Field Strength |
1 | Bruker | AVANCE | 600 |
2 | Bruker | AVANCE | 700 |
NMR Refinement | ||
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Method | Details | Software |
DGSA-distance geometry 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) |
Additional NMR Experimental Information | |
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Details | The structure was determined using NOE |
Computation: NMR Software | ||||
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# | Classification | Version | Software Name | Author |
1 | structure solution | X-PLOR NIH | Schwieters, Kuszewski, Tjandra and Clore | |
2 | refinement | X-PLOR NIH | Schwieters, Kuszewski, Tjandra and Clore | |
3 | chemical shift assignment | Felix | Accelrys Software Inc. | |
4 | peak picking | Felix | Accelrys Software Inc. |