1ESX
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 | ||||||||
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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 | |||
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Spectrometer | Manufacturer | Model | Field Strength |
1 | Bruker | DRX | 600 |
NMR Refinement | ||
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Method | Details | Software |
simulated annealing, molecular dynamics, minimisations | The structure is based on a total of 1420 distance constraints | Discover |
NMR Ensemble Information | |
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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 | |
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Details | This structure was determined using standard 2D homonuclear techniques, 2D heteronuclear techniques and relaxation experiments |
Computation: NMR Software | ||||
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# | 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 |