2ESY
Structure and influence on stability and activity of the N-terminal propetide part of lung surfactant protein C
SOLUTION NMR
NMR Experiment | ||||||||
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Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | 2D NOESY | 0.5mM SP-Ci(1-31) in 35mM [2H38]dodecylphosphocholine (DPC), 50mM sodium phosphate buffer | 90% H2O/10% D2O | 0.1 | 7.5 | ambient | 297 | |
2 | 2D TOCSY | 0.5mM SP-Ci(1-31) in 35mM [2H38]dodecylphosphocholine (DPC), 50mM sodium phosphate buffer | 90% H2O/10% D2O | 0.1 | 7.5 | ambient | 297 | |
3 | DQF-COSY | 0.5mM SP-Ci(1-31) in 35mM [2H38]dodecylphosphocholine (DPC), 50mM sodium phosphate buffer | 90% H2O/10% D2O | 0.1 | 7.5 | ambient | 297 | |
4 | 2D NOESY | 0.5mM SP-Ci(1-31) | [2H5]-ethanol | 0 | 7 | ambient | 287 | |
5 | 2D TOCSY | 0.5mM SP-Ci(1-31) | [2H5]-ethanol | 0 | 7 | ambient | 287 |
NMR Spectrometer Information | |||
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Spectrometer | Manufacturer | Model | Field Strength |
1 | Varian | INOVA | 800 |
2 | Bruker | DMX | 600 |
NMR Refinement | ||
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Method | Details | Software |
torsion angle dynamics | the structures are based on a total of 344 restraints, 263 are NOE-derived distance constraints, 81 dihedral angle restraints | VNMR |
NMR Ensemble Information | |
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Conformer Selection Criteria | structures with favorable non-bond energy,structures with the least restraint violations,structures with the lowest energy,target function |
Conformers Calculated Total Number | 50 |
Conformers Submitted Total Number | 20 |
Representative Model | 1 (closest to the average,fewest violations,lowest energy) |
Computation: NMR Software | ||||
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# | Classification | Version | Software Name | Author |
1 | collection | VNMR | 1.1.D | varian |
2 | processing | PROSA | 3.2 | P.Guntert |
3 | data analysis | XEASY | 3.0 | R. Koradi |
4 | structure solution | DYANA | 2.6 | P.guntert |
5 | refinement | OPAL | 3.0 | P.Luginbul |