1Z31
The structure of an enzyme-activating fragment of human telomerase RNA
SOLUTION NMR
NMR Experiment | ||||||||
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Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | 2D TOCSY | PJ6 1 mM unlabeled; 10 mM sodium phoshate, pH 6.0 | 100% D2O | 10 mM | 6 | 1 atm | 298 | |
2 | 2D NOESY | PJ6 1 mM unlabeled; 10 mM sodium phoshate, pH 6.0 | 100% D2O | 10 mM | 6 | 1 atm | 298 | |
3 | 2D NOESY | PJ6 1 mM unlabeled; 10 mM sodium phoshate, pH 6.0, 90% H2O, 10% D2O | 90% H2O/10% D2O | 10 mM | 6 | 1 atm | 277 | |
4 | 3D_13C-separated_NOESY | PJ6 0.6 mM U-15N,13C; 10 mM sodium phoshate, pH 6.0 | 100% D2O | 10 mM | 6 | 1 atm | 298 | |
5 | 3D_13C-separated_NOESY | PJ6 0.6 mM U-15N,13C; 10 mM sodium phoshate, pH 6.0, 90% H2O, 10% D2O | 90% H2O/10% D2O | 10 mM | 6 | 1 atm | 277 | |
6 | IPAP-HSQC | PJ6 0.6 mM U-15N,13C; 10 mM sodium succinate, pH 6.0, 18 mg/ml Pf1 bacteriaphage | 100% D2O | 10 mM | 6 | 1 atm | 298 | |
7 | HCP triple resonance | PJ6 0.6 mM U-15N,13C; 10 mM sodium phoshate, pH 6.0 | 100% D2O | 10 mM | 6 | 1 atm | 298 | |
8 | 3D 13C-31P HETCOR | PJ6 0.6 mM U-15N,13C; 10 mM sodium phoshate, pH 6.0 | 100% D2O | 10 mM | 6 | 1 atm | 298 | |
9 | 3D 13C TOCSY-HSQC | PJ6 0.6 mM U-15N,13C; 10 mM sodium phoshate, pH 6.0 | 100% D2O | 10 mM | 6 | 1 atm | 298 | |
10 | HNN-COSY | PJ6 0.6 mM U-15N,13C; 10 mM sodium phoshate, pH 6.0, 90% H2O, 10% D2O | 90% H2O/10% D2O | 10 mM | 6 | 1 atm | 277 |
NMR Spectrometer Information | |||
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Spectrometer | Manufacturer | Model | Field Strength |
1 | Bruker | DRX | 500 |
2 | Bruker | DMX | 750 |
NMR Refinement | ||
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Method | Details | Software |
torsion angle dynamics | 726 total restraints, 429 NOE-derived restraints, 159 dihedral restraints, 65 residual dipolar coupling restraints, 62 hydrogen bonds, and 11 weak planarity restraints. | XwinNMR |
NMR Ensemble Information | |
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Conformer Selection Criteria | structures with the least restraint violations |
Conformers Calculated Total Number | 100 |
Conformers Submitted Total Number | 10 |
Representative Model | 1 (closest to the average) |
Computation: NMR Software | ||||
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# | Classification | Version | Software Name | Author |
1 | collection | XwinNMR | 3.0 | |
2 | processing | NMRPipe | 2.3 | Delaglio |
3 | structure solution | X-PLOR | 2.9.4 | Brunger and Clore |
4 | data analysis | Sparky | 3.110 | Goddard and Kneller |
5 | refinement | X-PLOR | 2.9.4 | Brunger and Clore |