Solution Structure of the Carboxyl-Terminal Domain of RAP74 and NMR Characterization of the FCP-Binding Sites of RAP74 and CTD of RAP74, the subunit of Human TFIIF
SOLUTION NMR
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | 2D NOESY | 1mM cterRAP74 unlabeled, 20mM sodium phosphate, and 1mM EDTA | 100% D2O | 20mM sodium phosphate buffer | 6.5 | ambient | 300 | |
| 2 | 3D_15N-separated_NOESY | 1mM cterRAP74 U-15N, 20mM sodium phosphate, and 1mM EDTA | 90% H2O/10% D2O | 20mM sodium phosphate buffer | 6.5 | ambient | 300 | |
| 3 | 3D_15N/13C-separated_NOESY | 1mM cterRAP74 U-15N and U-13C, 20mM sodium phosphate, and 1mM EDTA | 90% H2O/10% D2O | 20mM sodium phosphate buffer | 6.5 | ambient | 300 | |
| 4 | 3D_13C-separated_NOESY | 1mM cterRAP74 U-15N and U-13C, 20mM sodium phosphate, and 1mM EDTA | 100% D2O | 20mM sodium phosphate buffer | 6.5 | ambient | 300 | |
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | Varian | INOVA | 500 |
| 2 | Varian | INOVA | 600 |
| 3 | Varian | INOVA | 800 |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| torsion angle dynamics | The structures are based on a total of 1063 restraints, 959 are NOE-derived distance constraints, 104 dihedral angle restraints | CNS |
| NMR Ensemble Information | |
|---|---|
| Conformer Selection Criteria | structures with acceptable covalent geometry,structures with the least restraint violations,structures with the lowest energy |
| Conformers Calculated Total Number | 67 |
| Conformers Submitted Total Number | 20 |
| Representative Model | 1 (fewest violations) |
| Additional NMR Experimental Information | |
|---|---|
| Details | The structure was determined using triple-resonance NMR spectroscopy. |
| Computation: NMR Software | ||||
|---|---|---|---|---|
| # | Classification | Version | Software Name | Author |
| 1 | structure solution | CNS | 1.0 | Brunger |
| 2 | processing | NMRPipe | null | Bax |
| 3 | data analysis | PIPP | null | Garrett |
| 4 | refinement | CNS | modified CNS with conformational database potential | Kay and Choy, Clores |














