2GMO
NMR-structure of an independently folded C-terminal domain of influenza polymerase subunit PB2
SOLUTION NMR
NMR Experiment | ||||||||
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Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | 3D 15N-NOESY-HSQC | 50 mM Tris buffer pH 7.5, 200 mM NaCl, 1 mM EDTA, 0.01% NaN3, 90% H2O, 10% D2O | 90% H2O/10% D2O | 200 mM NaCl | 7.5 | ambient | 283 | |
2 | 3D 13C-NOESY-HSQC | 50 mM Tris buffer pH 7.5, 200 mM NaCl, 1 mM EDTA, 0.01% NaN3, 90% H2O, 10% D2O | 90% H2O/10% D2O | 200 mM NaCl | 7.5 | ambient | 283 | |
3 | 3D methyl-selective 13C-NOESY-HSQC | 50 mM Tris buffer pH 7.5, 200 mM NaCl, 1 mM EDTA, 0.01% NaN3, 90% H2O, 10% D2O | 90% H2O/10% D2O | 200 mM NaCl | 7.5 | ambient | 283 | |
4 | HNHA | 50 mM Tris buffer pH 7.5, 200 mM NaCl, 1 mM EDTA, 0.01% NaN3 | 100% D2O | 200 mM NaCl | 7.5 | ambient | 283 | |
5 | 2D homonuclear NOESY | 50 mM Tris buffer pH 7.5, 200 mM NaCl, 1 mM EDTA, 0.01% NaN3 | 100% D2O | 200 mM NaCl | 7.5 | ambient | 283 |
NMR Spectrometer Information | |||
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Spectrometer | Manufacturer | Model | Field Strength |
1 | Varian | INOVA | 800 |
2 | Varian | INOVA | 600 |
NMR Refinement | ||
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Method | Details | Software |
simulated annealing | starting from extended conformation, 1000 structures calculated with CNS using distance and dihedral restraints from NOE data and Talos, hydrogen bonds added from exchange experiment | CNS |
NMR Ensemble Information | |
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Conformer Selection Criteria | 10 structures of lowest energy |
Conformers Calculated Total Number | 1000 |
Conformers Submitted Total Number | 10 |
Representative Model | 1 (lowest energy) |
Computation: NMR Software | ||||
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# | Classification | Version | Software Name | Author |
1 | structure solution | CNS | cns_solve_1.1 | Brunger A. T. et all |
2 | refinement | CNS | cns_solve_1.1 |