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 | |||
|---|---|---|---|
| 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 | ||||
|---|---|---|---|---|
| # | Classification | Version | Software Name | Author |
| 1 | refinement | X-PLOR | BRUNGER | |
| 2 | structure solution | X-PLOR | ||
