1LUD
SOLUTION STRUCTURE OF DIHYDROFOLATE REDUCTASE COMPLEXED WITH TRIMETHOPRIM AND NADPH, 24 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 | 3mM DHFR-15N/TMP/NADPH, 50 mM phosphate buffer | 90% H2O/10% D2O | 100 mM KCl | 6.5 | ambient | 308 | |
2 | HNHA | 3mM DHFR-15N/TMP/NADPH, 50 mM phosphate buffer | 90% H2O/10% D2O | 100 mM KCl | 6.5 | ambient | 308 | |
3 | 3D_15N-separated_ROESY | 3mM DHFR-15N/TMP/NADPH, 50 mM phosphate buffer | 90% H2O/10% D2O | 100 mM KCl | 6.5 | ambient | 308 | |
4 | 2D_N15-rejected_NOESY | 3mM DHFR-15N/TMP/NADPH, 50 mM phosphate buffer | 90% H2O/10% D2O | 100 mM KCl | 6.5 | ambient | 308 | |
5 | 2D NOESY | 3 mM DHFR/TMP/NADPH, 50 mM phosphate buffer | 100% D2O | 100 mM KCl | 6.5 | ambient | 308 | |
6 | DQF-COSY | 3 mM DHFR/TMP/NADPH, 50 mM phosphate buffer | 100% D2O | 100 mM KCl | 6.5 | ambient | 308 | |
7 | J-modulated N15, H1-HSQC | 0.5mM DHFR-15N/TMP/NADPH, 50 mM phosphate buffer, 5% DMPC/DHPC (3:1) | 90% H2O/10% D2O | 100 mM KCl | 6.5 | ambient | 308 | |
8 | J-modulated N15, H1-HSQC | 0.25mM DHFR-15N/TMP/NADPH, 50 mM phosphate buffer, 5% C12E5/hexanol | 90% H2O/10% D2O | 100 mM KCl | 6.5 | ambient | 308 |
NMR Spectrometer Information | |||
---|---|---|---|
Spectrometer | Manufacturer | Model | Field Strength |
1 | Varian | UNITYPLUS | 500 |
2 | Varian | UNITY | 600 |
3 | Varian | INOVA | 600 |
NMR Refinement | ||
---|---|---|
Method | Details | Software |
simulated annealing | 10 ps at 1000K, 40 ps cooling from 1000 to 0K, 1000 steps of EM | VNMR |
NMR Ensemble Information | |
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Conformer Selection Criteria | structures with the least restraint violations |
Conformers Calculated Total Number | 32 |
Conformers Submitted Total Number | 24 |
Representative Model | 1 (closest to the average) |
Computation: NMR Software | ||||
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# | Classification | Version | Software Name | Author |
1 | collection | VNMR | 6.1 | Varian |
2 | processing | NMRPipe | 1998-2001 | Delaglio |
3 | structure solution | CNS | 0.9 | Brunger |
4 | refinement | CNS | 1.0 | Brunger |