NMR SOLUTION STRUCTURE OF THE ANTICODON OF TRNA(LYS3) WITH T6A MODIFICATION AT POSITION 37
SOLUTION NMR
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | 2D NOESY | 1.2 mM RNA, 10 mM cacodylate buffer, pH 5.6, 0.1 mM EDTA | 94% H2O, 6% D2O | 5.6 | 1 atm | 289 | ||
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | Bruker | AVANCE | 500 |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| global fold by distance geometry. Refinement by simulated annealing using the AMBER forcefield | 272 restraints, 207 NOE-derived, 13 h-bond, 52 dihedral angle. Chi torsion was left unrestrained although likely anti for all residues. | Felix |
| NMR Ensemble Information | |
|---|---|
| Conformer Selection Criteria | structures with the lowest energy |
| Conformers Calculated Total Number | 50 |
| Conformers Submitted Total Number | 11 |
| Representative Model | 1 (minimized average structure of family a (struct 2-5)) |
| Additional NMR Experimental Information | |
|---|---|
| Details | This structure was determined using standard 2D homonuclear techniques |
| Computation: NMR Software | ||||
|---|---|---|---|---|
| # | Classification | Version | Software Name | Author |
| 1 | data analysis | Felix | 98 | msi |
| 2 | refinement | Discover | 98 | msi |
