1RU5
Solution structure of porcine peptide YY (pPYY)
SOLUTION NMR
NMR Experiment | ||||||||
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Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | 2D NOESY | 2mM pPYY, pH=4.2 | 90% H2O/10% D2O | 4.2 | ambient | 301 | ||
2 | DQF-COSY | 2mM pPYY, pH=4.2 | 90% H2O/10% D2O | 4.2 | ambient | 301 | ||
3 | 2D TOCSY | 2mM pPYY, pH=4.2 | 90% H2O/10% D2O | 4.2 | ambient | 301 | ||
4 | 2D NOESY | 2mM pPYY, pH=4.2 | 99% D2O | 4.2 | ambient | 301 | ||
5 | DQF-COSY | 2mM pPYY, pH=4.2 | 99% D2O | 4.2 | ambient | 301 | ||
6 | 15N{1H}-NOE | 1mM U-15N-pPYY, pH=4.2 | 90% H2O/10% D2O | 4.2 | ambient | 301 |
NMR Spectrometer Information | |||
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Spectrometer | Manufacturer | Model | Field Strength |
1 | Bruker | DRX | 500 |
2 | Bruker | DRX | 600 |
3 | Bruker | AVANCE | 700 |
NMR Refinement | ||
---|---|---|
Method | Details | Software |
calculation of structure by torsion angle dynamics refinement by energy minimization with full forcefield in explicit water | XwinNMR |
NMR Ensemble Information | |
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Conformer Selection Criteria | structures with the lowest energy |
Conformers Calculated Total Number | 100 |
Conformers Submitted Total Number | 20 |
Representative Model | 1 (lowest energy) |
Additional NMR Experimental Information | |
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Details | backbone dynamics information was used to verify structures. Structure deviates from previously published structure by Keire et al., pdb entry 1qbf |
Computation: NMR Software | ||||
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# | Classification | Version | Software Name | Author |
1 | collection | XwinNMR | 3.0 | Bruker |
2 | data analysis | XEASY | 2.51 | Bartels et al. |
3 | refinement | AMBER6 | 6 | Kollman et al. |
4 | structure solution | DYANA | 1.5 | Guentert et al. |