Solution Structure of the N-terminal Subdomain of Translation Initiation Factor IF2
SOLUTION NMR
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | 2D NOESY | 2mM IF2 (res 2-157); 10 mM Phosphate buffer | 90% H2O/10% D2O | 10 mM Phosphate | 6.0 | ambient | 298 | |
| 2 | 2D NOESY | 2mM IF2 (res 2-157); 10 mM Phosphate buffer | 90% H2O/10% D2O | 10 mM Phosphate | 6.0 | ambient | 308 | |
| 3 | 2D NOESY | 2mM IF2 (res 2-157); 10 mM Phosphate buffer | 100% D2O | 10 mM Phosphate | 6.0 | ambient | 298 | |
| 4 | 3D_15N-separated_NOESY | 2mM IF2 (res 2-157); 15N; 10 mM Phosphate buffer | 90% H2O/10% D2O | 10 mM Phosphate | 6.0 | ambient | 298 | |
| 5 | 3D_13C-separated_NOESY | 2mM IF2 (res 2-157); 15N;13C; 10 mM Phosphate buffer | 90% H2O/10% D2O | 10 mM Phosphate | 6.0 | ambient | 298 | |
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | Varian | INOVA | 500 |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| simulated annealing | the structures are based on a total of 996 restraints, 918 are NOE-derived distance constraints, 63 dihedral angle restraints,15 distance restraints from hydrogen bonds. | Felix |
| NMR Ensemble Information | |
|---|---|
| Conformer Selection Criteria | structures with acceptable covalent geometry,structures with favorable non-bond energy,structures with the least restraint violations,structures with the lowest energy |
| Conformers Calculated Total Number | 20 |
| Conformers Submitted Total Number | 10 |
| Additional NMR Experimental Information | |
|---|---|
| Details | The structure was determined using triple-resonance NMR spectroscopy |
| Computation: NMR Software | ||||
|---|---|---|---|---|
| # | Classification | Version | Software Name | Author |
| 1 | processing | Felix | 1.0 | Hare Research Inc. |
| 2 | processing | NMRPipe | 1.0 | Delaglio, F., Grzesiek, S., Vuister, G.W., Zhu, G., Pfeifer, J. and Bax, A |
| 3 | structure solution | CNS | 1.1 | Brunger, A.T., Adams, P.D., Clore, G.M., DeLano, W.L., Gros, P., Grosse-Kunstleve, R.W., Jiang, J.S., Kuszewski, J., Nilges, M., Pannu, N.S., Read, R.J., Rice, L.M., Simonson, T. and Warren, G.L. |
| 4 | refinement | CNS | 1.1 | Brunger, A.T., Adams, P.D., Clore, G.M., DeLano, W.L., Gros, P., Grosse-Kunstleve, R.W., Jiang, J.S., Kuszewski, J., Nilges, M., Pannu, N.S., Read, R.J., Rice, L.M., Simonson, T. and Warren, G.L. |
