2HQP
Solution structure of L.casei dihydrofolate reductase complexed with NADPH, 32 structures
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 DHFR-15N/NADPH, 50mM phosphate buffer | 100% H2O | 100mM KCl | 6.5 | ambient | 308 | |
2 | 2D NOESY | 1mM DHFR-15N/NADPH, 50mM phosphate buffer | 100% H2O | 100mM KCl | 6.5 | ambient | 308 | |
3 | 2D NOESY | 1mM DHFR-15N/NADPH, 50mM phosphate buffer, 90% H2O, 10% D2O | 90% H2O/10% D2O | 100mM KCl | 6.5 | ambient | 308 | |
4 | COSY | 1mM DHFR-15N/NADPH, 50mM phosphate buffer | 100% H2O | 100mM KCl | 6.5 | ambient | 308 | |
5 | 2D 15N-rejected NOESY | 1mM DHFR-15N/NADPH, 50mM phosphate buffer | 100% H2O | 100mM KCl | 6.5 | ambient | 308 | |
6 | IPAP | 0.5mM DHFR-15N/NADPH, 50mM phosphate buffer, 5% DMPC/DHPC, 90% H2O, 10% D2O | 90% H2O/10% D2O | 100mM KCl | 6.5 | ambient | 308 |
NMR Spectrometer Information | |||
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Spectrometer | Manufacturer | Model | Field Strength |
1 | Varian | INOVA | 600 |
2 | Varian | UNITY | 600 |
3 | Varian | UNITYPLUS | 500 |
4 | Bruker | AVANCE | 600 |
NMR Refinement | ||
---|---|---|
Method | Details | Software |
simulated annealing | Annealing from 1000K down to 0K with 25K step, 10ps of dynamics at each step | VNMR |
NMR Ensemble Information | |
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Conformer Selection Criteria | all calculated structures submitted |
Conformers Calculated Total Number | 32 |
Conformers Submitted Total Number | 32 |
Representative Model | 1 (minimal rmsd when superimpose all other members of the family) |
Computation: NMR Software | ||||
---|---|---|---|---|
# | Classification | Version | Software Name | Author |
1 | collection | VNMR | 6.1 | Varian Inc |
2 | processing | NMRPipe | 1998-2001 | Delaglio |
3 | data analysis | Sparky | 3.8 | UCSF |
4 | refinement | Xplor-NIH | 3.11 | Clore |
5 | refinement | CNS | 1.0 | Brunger |
6 | refinement | ARIA | 2.0a | Nilges |