SOLUTION STRUCTURE OF MULTI-FUNCTIONAL PEPTIDE MOTIF-1 PRESENT IN HUMAN GLUTAMYL-PROLYL TRNA SYNTHETASE (EPRS).
SOLUTION NMR
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | 2D NOESY | ~2mM EPRS-R1 U-15N; 90% H2O, 10% D2O | 90% H2O/10% D2O | no salt | 5.0 | ambient | 303 | |
| 2 | 3D_15N-separated_NOESY | ~2mM EPRS-R1 U-15N; 90% H2O, 10% D2O | 90% H2O/10% D2O | no salt | 5.0 | ambient | 303 | |
| 3 | DQF-COSY | ~2mM EPRS-R1 U-15N; 90% H2O, 10% D2O | 90% H2O/10% D2O | no salt | 5.0 | ambient | 303 | |
| 4 | HNHA | ~2mM EPRS-R1 U-15N; 90% H2O, 10% D2O | 90% H2O/10% D2O | no salt | 5.0 | ambient | 303 | |
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | Varian | UNITY | 600 |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| distance geometry simulated annealing | 814 NOE-derived distance constraints, 91 dihedral angle restraints,29 hydrogen bonds restraints, and 49 J coupling constants are used. | NMRPipe |
| NMR Ensemble Information | |
|---|---|
| Conformer Selection Criteria | structures with the lowest energy |
| Conformers Calculated Total Number | 50 |
| Conformers Submitted Total Number | 20 |
| Representative Model | 6 (closest to the average) |
| Computation: NMR Software | ||||
|---|---|---|---|---|
| # | Classification | Version | Software Name | Author |
| 1 | processing | NMRPipe | 1.7 | Delaglio,F. |
| 2 | data analysis | PIPP | 4.2.5 | Garretr, D. |
| 3 | structure solution | X-PLOR | 3.851 | Bunger, A.T. |
| 4 | refinement | X-PLOR | 3.851 | Bunger, A.T. |
