2KOD
A high-resolution NMR structure of the dimeric C-terminal domain of HIV-1 CA
SOLUTION NMR
NMR Experiment | ||||||||
---|---|---|---|---|---|---|---|---|
Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | 2D 1H-15N HSQC | 2 mM [U-100% 13C; U-100% 15N] HIV-1 CA C-terminal domain, 25 mM sodium phosphate, 2 mM DTT, 0.02 % sodium azide | 93% H2O/7% D2O | 25 | 6.5 | ambient | 298 | |
2 | 2D 1H-13C HSQC | 2 mM [U-100% 13C; U-100% 15N] HIV-1 CA C-terminal domain, 25 mM sodium phosphate, 2 mM DTT, 0.02 % sodium azide | 93% H2O/7% D2O | 25 | 6.5 | ambient | 298 | |
3 | 3D HNCACB | 2 mM [U-100% 13C; U-100% 15N] HIV-1 CA C-terminal domain, 25 mM sodium phosphate, 2 mM DTT, 0.02 % sodium azide | 93% H2O/7% D2O | 25 | 6.5 | ambient | 298 | |
4 | 3D HN(COCA)CB | 2 mM [U-100% 13C; U-100% 15N] HIV-1 CA C-terminal domain, 25 mM sodium phosphate, 2 mM DTT, 0.02 % sodium azide | 93% H2O/7% D2O | 25 | 6.5 | ambient | 298 | |
5 | 3D HNCA | 2 mM [U-100% 13C; U-100% 15N] HIV-1 CA C-terminal domain, 25 mM sodium phosphate, 2 mM DTT, 0.02 % sodium azide | 93% H2O/7% D2O | 25 | 6.5 | ambient | 298 | |
6 | 3D HN(CO)CA | 2 mM [U-100% 13C; U-100% 15N] HIV-1 CA C-terminal domain, 25 mM sodium phosphate, 2 mM DTT, 0.02 % sodium azide | 93% H2O/7% D2O | 25 | 6.5 | ambient | 298 | |
7 | 3D HBHA(CO)NH | 2 mM [U-100% 13C; U-100% 15N] HIV-1 CA C-terminal domain, 25 mM sodium phosphate, 2 mM DTT, 0.02 % sodium azide | 93% H2O/7% D2O | 25 | 6.5 | ambient | 298 | |
8 | 3D HCCH-TOCSY | 2 mM [U-100% 13C; U-100% 15N] HIV-1 CA C-terminal domain, 25 mM sodium phosphate, 2 mM DTT, 0.02 % sodium azide | 93% H2O/7% D2O | 25 | 6.5 | ambient | 298 | |
9 | 3D simultaneous 13C,15N-edited NOESY | 2 mM [U-100% 13C; U-100% 15N] HIV-1 CA C-terminal domain, 25 mM sodium phosphate, 2 mM DTT, 0.02 % sodium azide | 93% H2O/7% D2O | 25 | 6.5 | ambient | 298 | |
10 | 3D 13C/15N-filtered, 13C-edited NOESY | 1.4 mM [U-100% 13C; U-100% 15N] HIV-1 CA C-terminal domain, 1.4 mM NATURAL ABUNDANCE HIV-1 CA C-terminal domain, 25 mM sodium phosphate, 2 mM DTT, 0.02 % sodium azide | 93% H2O/7% D2O | 25 | 6.5 | ambient | 298 |
NMR Spectrometer Information | |||
---|---|---|---|
Spectrometer | Manufacturer | Model | Field Strength |
1 | Bruker | AVANCE | 900 |
2 | Bruker | AVANCE | 800 |
3 | Bruker | AVANCE | 700 |
4 | Bruker | AVANCE | 600 |
NMR Refinement | ||
---|---|---|
Method | Details | Software |
simulated annealing | The residues 223-231 exhibit unfolded/disordered structure and thus no meaning should be given to the coordinates for these residues. | TopSpin |
NMR Ensemble Information | |
---|---|
Conformer Selection Criteria | structures with the lowest energy |
Conformers Calculated Total Number | 500 |
Conformers Submitted Total Number | 30 |
Representative Model | 1 (lowest energy) |
Computation: NMR Software | ||||
---|---|---|---|---|
# | Classification | Version | Software Name | Author |
1 | collection | TopSpin | 2.1 | Bruker |
2 | processing | NMRPipe | Delaglio, F. et al. | |
3 | data analysis | Sparky | Goddard, T.D. et al. | |
4 | peak picking | Sparky | Goddard, T.D. et al. | |
5 | noe peak assignments | CYANA | Guntert, P. et al. | |
6 | noe peak assignments | CANDID | Herrmann, T. et al. | |
7 | refinement | X-PLOR NIH | Schwieters, C.D. et al. |