1Q10
Ensemble of 40 Structures of the Dimeric Mutant of the B1 Domain of Streptococcal Protein G
SOLUTION NMR
NMR Experiment | ||||||||
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Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | 3D_13C-separated_NOESY | 1.7mM (in monomer) U-15N,13C, 50mM phosphate buffer, 0.02% NaN3 | 92.5% H2O, 7.5% D2O | 50mM sodium phosphate buffer | 5.5 | ambient | 298 | |
2 | 3D_15N-separated_NOESY | 1.7mM (in monomer) U-15N,13C, 50mM phosphate buffer, 0.02% NaN3 | 92.5% H2O, 7.5% D2O | 50mM sodium phosphate buffer | 5.5 | ambient | 298 | |
3 | 3D_13C-separated/12C-filtered_NOESY | 0.85mM (in monomer) U-15N,13C, 0.85mM (in monomer) unlabeled, 50mM phosphate buffer (pH 5.5), 0.02 % NaN3 | 92.5% H2O, 7.5% D2O | 50mM sodium phosphate buffer | 5.5 | ambient | 298 | |
4 | 3D_13C-separated/12C-filtered_NOESY | 0.85mM (in monomer) U-15N,13C, 0.85mM (in monomer) unlabeled, 50mM phosphate buffer, 0.02% NaN3 | 100% D2O | 50mM sodium phosphate buffer | 5.5 | ambient | 298 | |
5 | 2D NOESY | 1.7mM (in monomer) unlabeled, 50mM phosphate buffer, 0.02% NaN3 | 92.5% H2O, 7.5% D2O | 50mM sodium phosphate buffer | 5.5 | ambient | 298 | |
6 | 2D NOESY | 1.7mM (in monomer) unlabeled, 50mM phosphate buffer, 0.02% NaN3 | 100% D2O | 50mM sodium phosphate buffer | 5.5 | ambient | 298 |
NMR Spectrometer Information | |||
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Spectrometer | Manufacturer | Model | Field Strength |
1 | Bruker | DRX | 800 |
2 | Bruker | DMX | 750 |
3 | Bruker | DRX | 600 |
4 | Bruker | DMX | 600 |
5 | Bruker | DMX | 500 |
NMR Refinement | ||
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Method | Details | Software |
simulated annealing | The structures are based on a total of 1311 constraints per monomeric subunit: 1035 NOE-derived distance constraints, 72 hydrogen bond distance constraints, 148 dihedral angle constraints, and 56 residual N-H dipolar coupling constraints. | XwinNMR |
NMR Ensemble Information | |
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Conformer Selection Criteria | structures with the lowest energy,target function |
Conformers Calculated Total Number | 100 |
Conformers Submitted Total Number | 40 |
Representative Model | 1 (minimized average structure) |
Additional NMR Experimental Information | |
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Details | The structure was determined using triple-resonance NMR spectroscopy. |
Computation: NMR Software | ||||
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# | Classification | Version | Software Name | Author |
1 | collection | XwinNMR | 2.6 and 3.1 | Bruker |
2 | processing | NMRPipe | 2.2 | Delaglio |
3 | data analysis | PIPP | 4.3.2 | Garrett |
4 | structure solution | CNS | 1.1 | Brunger |
5 | refinement | CNS | 1.1 | Brunger |