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STRUCTURE OF A PILIN MONOMER FROM PSEUDOMONAS AERUGINOSA: IMPLICATIONS FOR THE ASSEMBLY OF PILI.
SOLUTION NMR
NMR Experiment | ||||||||
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Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | 2D NOESY | 0.5 mM K122-4 pilin dissolved in either 90% H2O/10% D2O or 99% D2O containing 20 mM deuterated sodium acetate, 1 mM NaN3 and 1 mM DSS, pH 5.0. | 5.1 | 303 | ||||
2 | 3D_15N-separated_NOESY | 0.5 mM K122-4 pilin dissolved in either 90% H2O/10% D2O or 99% D2O containing 20 mM deuterated sodium acetate, 1 mM NaN3 and 1 mM DSS, pH 5.0. | 5.1 | 303 | ||||
3 | DQF-COSY | 0.5 mM K122-4 pilin dissolved in either 90% H2O/10% D2O or 99% D2O containing 20 mM deuterated sodium acetate, 1 mM NaN3 and 1 mM DSS, pH 5.0. | 5.1 | 303 | ||||
4 | HNHA | 0.5 mM K122-4 pilin dissolved in either 90% H2O/10% D2O or 99% D2O containing 20 mM deuterated sodium acetate, 1 mM NaN3 and 1 mM DSS, pH 5.0. | 5.1 | 303 |
NMR Spectrometer Information | |||
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Spectrometer | Manufacturer | Model | Field Strength |
1 | Varian | UNITY | 600 |
2 | Varian | INOVA | 800 |
NMR Refinement | ||
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Method | Details | Software |
distance geometry simulated annealing | The structures are based on a total of 1213 restraints, 1032 are NOE-derived distance constraints, 181 dihedral angle restraints, 30 distance restraints from hydrogen bonds. | VNMR |
NMR Ensemble Information | |
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Conformer Selection Criteria | structures with the lowest energy |
Conformers Calculated Total Number | 50 |
Conformers Submitted Total Number | 10 |
Representative Model | 9 (closest to the average) |
Computation: NMR Software | ||||
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# | Classification | Version | Software Name | Author |
1 | collection | VNMR | 6.2B | Varian |
2 | processing | NMRPipe | Delaglio | |
3 | data analysis | NMRView | 4.2 | Johnson |
4 | refinement | X-PLOR | 3.851 | Brunger |