1TWO
NMR structure of the pheromone binding protein from Antheraea polyphemus at acidic pH
SOLUTION NMR
NMR Experiment | ||||||||
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Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | 3D_15N-separated_NOESY | 1MM APOLPBP U-15N,13C, 50MM PHOSPHATE BUFFER, 1MM EDTA, 0.1% NAN3 | 95% H2O/5% D2O | 50mM phosphate | 5.2 | ambient | 308 | |
2 | 3D_13C-separated_NOESY | 1MM APOLPBP U-15N,13C, 50MM PHOSPHATE BUFFER, 1MM EDTA, 0.1% NAN3 | 95% H2O/5% D2O | 50mM phosphate | 5.2 | ambient | 308 | |
3 | 3D_13C-separated_NOESY | 1MM APOLPBP U-15N,13C, 50MM PHOSPHATE BUFFER, 1MM EDTA, 0.1% NAN3 | 95% H2O/5% D2O | 50mM phosphate | 5.2 | ambient | 308 |
NMR Spectrometer Information | |||
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Spectrometer | Manufacturer | Model | Field Strength |
1 | Bruker | DMX | 600 |
2 | Bruker | DMX | 750 |
3 | Bruker | DRX | 800 |
NMR Refinement | ||
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Method | Details | Software |
torsion angle dynamics, simulated annealing | 1469 NOE-derived distance constraints, 272 dihedral angle restraints, 110 distance restraints from hydrogen bonds | NMRPipe |
NMR Ensemble Information | |
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Conformer Selection Criteria | target function |
Conformers Calculated Total Number | 500 |
Conformers Submitted Total Number | 20 |
Representative Model | 1 (fewest violations) |
Additional NMR Experimental Information | |
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Details | CARRIER FREQUENCIES in 13C SEPARATED NOESY EXPERIMENTS: 43ppm and 125ppm |
Computation: NMR Software | ||||
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# | Classification | Version | Software Name | Author |
1 | processing | NMRPipe | 2.2 | |
2 | data analysis | NMRView | 5.0.4 | |
3 | structure solution | CYANA | 1.0.6 | |
4 | refinement | CYANA | 1.0.6 | Guntert, P. |