1H, 15N AND 13C STRUCTURE OF THE HIV-1 REGULATORY PROTEIN VPR : COMPARISON WITH THE N-AND C-TERMINAL DOMAIN STRUCTURE, (1-51)VPR AND (52-96)VPR
SOLUTION NMR
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | 2D NOESY | 1 mM Vpr 15N, 13C ; 10 mM DTT ; HMDS ; 70 % H2O ; 30 % TFE | 70 % H20, 30 % TFE | 0 | 3.4 | ambient | 323 | |
| 2 | DQF-COSY | 1 mM Vpr 15N, 13C ; 10 mM DTT ; HMDS ; 70 % H2O ; 30 % TFE | 70 % H20, 30 % TFE | 0 | 3.4 | ambient | 323 | |
| 3 | HSQC (15N, 13C) | 1 mM Vpr 15N, 13C ; 10 mM DTT ; HMDS ; 70 % H2O ; 30 % TFE | 70 % H20, 30 % TFE | 0 | 3.4 | ambient | 323 | |
| 4 | HSQC-NOESY (15N, 13C) | 1 mM Vpr 15N, 13C ; 10 mM DTT ; HMDS ; 70 % H2O ; 30 % TFE | 70 % H20, 30 % TFE | 0 | 3.4 | ambient | 323 | |
| 5 | HSQC-TOCSY(15N, 13C) | 1 mM Vpr 15N, 13C ; 10 mM DTT ; HMDS ; 70 % H2O ; 30 % TFE | 70 % H20, 30 % TFE | 0 | 3.4 | ambient | 323 | |
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | Bruker | DRX | 600 |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| simulated annealing, molecular dynamics, minimisations | The structure is based on a total of 1420 distance constraints | Discover |
| 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 | 1 |
| Representative Model | 20 (fewest violations,lowest energy) |
| Additional NMR Experimental Information | |
|---|---|
| Details | This structure was determined using standard 2D homonuclear techniques, 2D heteronuclear techniques and relaxation experiments |
| Computation: NMR Software | ||||
|---|---|---|---|---|
| # | Classification | Version | Software Name | Author |
| 1 | structure solution | Discover | 98.0 | msi |
| 2 | collection | XwinNMR | 2.1 | bruker |
| 3 | refinement | Discover | 98.0 | msi |
| 4 | processing | XwinNMR | 2.1 | bruker |














