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NMR SOLUTION STRUCTURE AND DYNAMICS OF THE COMPLEX OF LACTOBACILLUS CASEI DIHYDROFOLATE REDUCTASE WITH THE NEW LIPOPHILIC ANTIFOLATE DRUG TRIMETREXATE, 22 STRUCTURES
SOLUTION NMR
NMR Experiment | ||||||||
---|---|---|---|---|---|---|---|---|
Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | DQF-COSY | 90% H2O/10% D2O, 100% D2O | 550 mM | 6.5 | 1 atm | 308 | ||
2 | NOESY | 90% H2O/10% D2O, 100% D2O | 550 mM | 6.5 | 1 atm | 308 | ||
3 | ROESY | 90% H2O/10% D2O, 100% D2O | 550 mM | 6.5 | 1 atm | 308 | ||
4 | HNHA | 90% H2O/10% D2O, 100% D2O | 550 mM | 6.5 | 1 atm | 308 | ||
5 | HNHB | 90% H2O/10% D2O, 100% D2O | 550 mM | 6.5 | 1 atm | 308 | ||
6 | HSQC | 90% H2O/10% D2O, 100% D2O | 550 mM | 6.5 | 1 atm | 308 | ||
7 | 3D-1H/15N-TOCSY-HMQC | 90% H2O/10% D2O, 100% D2O | 550 mM | 6.5 | 1 atm | 308 | ||
8 | 3D-1H/ 15N-ROESY-HMQC | 90% H2O/10% D2O, 100% D2O | 550 mM | 6.5 | 1 atm | 308 | ||
9 | 3D-1H/15N-NOESY-HMQC | 90% H2O/10% D2O, 100% D2O | 550 mM | 6.5 | 1 atm | 308 | ||
10 | 1D-NOE DIFFERENCE | 90% H2O/10% D2O, 100% D2O | 550 mM | 6.5 | 1 atm | 308 |
NMR Spectrometer Information | |||
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Spectrometer | Manufacturer | Model | Field Strength |
1 | Varian | UNITY | 600 |
NMR Refinement | ||
---|---|---|
Method | Details | Software |
simulated annealing | X-PLOR |
NMR Ensemble Information | |
---|---|
Conformer Selection Criteria | NO NOE VIOLATION MORE THAN 0.1 ANGSTROM; NO DIHEDRAL ANGLE VIOLATION MORE THAN 3 DEGREES |
Conformers Calculated Total Number | 22 |
Conformers Submitted Total Number | 22 |
Representative Model | 19 (n/a) |
Computation: NMR Software | ||||
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# | Classification | Version | Software Name | Author |
1 | refinement | X-PLOR | BRUNGER | |
2 | structure solution | X-PLOR |