1Q3Y
NMR structure of the Cys28His mutant (D form) of the nucleocapsid protein NCp7 of HIV-1.
SOLUTION NMR
NMR Experiment | ||||||||
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Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | 2D TOCSY | 2 mM His28(12-53)NCp7 90% H2O, 10% D2O with 3 equivalents of zinc | 90% H2O, 10% D2O, pH 6.6 from 278K to 323K | 6 mM ZnSO4 | 6.6 | ambient | 278 | |
2 | 2D NOESY | 2 mM His28(12-53)NCp7 90% H2O, 10% D2O with 3 equivalents of zinc | 90% H2O, 10% D2O, pH 6.6 from 278K to 323K | 6 mM ZnSO4 | 6.6 | ambient | 278 | |
3 | 1H-15N HSQC | 2 mM His28(12-53)NCp7 90% H2O, 10% D2O with 3 equivalents of zinc | 90% H2O, 10% D2O, pH 6.6 from 278K to 323K | 6 mM ZnSO4 | 6.6 | ambient | 278 | |
4 | 2D TOCSY | 2 mM His28(12-53)NCp7 100% D2O with 3 equivalents of zinc | 100% D2O, pH 6.6 from 278K to 323K | 6 mM ZnSO4 | 6.6 | ambient | 278 | |
5 | 2D NOESY | 2 mM His28(12-53)NCp7 100% D2O with 3 equivalents of zinc | 100% D2O, pH 6.6 from 278K to 323K | 6 mM ZnSO4 | 6.6 | ambient | 278 |
NMR Spectrometer Information | |||
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Spectrometer | Manufacturer | Model | Field Strength |
1 | Bruker | AMX | 600 |
NMR Refinement | ||
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Method | Details | Software |
distance geometry, simulated annealing and molecular dynamics | The structure has been calculated using 335 NOE derived distance restraints. | XwinNMR |
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 | 100 |
Conformers Submitted Total Number | 1 |
Representative Model | 1 (fewest violations,lowest energy) |
Additional NMR Experimental Information | |
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Details | The structure was determined using standard 2D homonuclear experiments and 1H-15N HSQC experiments. |
Computation: NMR Software | ||||
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# | Classification | Version | Software Name | Author |
1 | collection | XwinNMR | Version 3.0 | Bruker |
2 | processing | XwinNMR | Version 3.0 | Bruker |
3 | data analysis | Felix | Version 98.0 | Accelrys |
4 | refinement | X-PLOR | Version 3.851 | Brunger |