1ZW7
Elimination of the C-cap in Ubiquitin Structure, Dynamics and Thermodynamic Consequences
SOLUTION NMR
NMR Experiment | ||||||||
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Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | 1H-15N HSQC | 1-2 mM of appropriately labeled mutant ubiquitin | 30 mM acetate buffer, pH 5.0 | 30 mM actate | 5 | Ambient | 298 | |
2 | 3D HNCACB | 1-2 mM of appropriately labeled mutant ubiquitin | 30 mM acetate buffer, pH 5.0 | 30 mM actate | 5 | Ambient | 298 | |
3 | CBCA(CO)NH | 1-2 mM of appropriately labeled mutant ubiquitin | 30 mM acetate buffer, pH 5.0 | 30 mM actate | 5 | Ambient | 298 | |
4 | HNCA | 1-2 mM of appropriately labeled mutant ubiquitin | 30 mM acetate buffer, pH 5.0 | 30 mM actate | 5 | Ambient | 298 | |
5 | HNCO | 1-2 mM of appropriately labeled mutant ubiquitin | 30 mM acetate buffer, pH 5.0 | 30 mM actate | 5 | Ambient | 298 | |
6 | HBHA(CO)NH | 1-2 mM of appropriately labeled mutant ubiquitin | 30 mM acetate buffer, pH 5.0 | 30 mM actate | 5 | Ambient | 298 |
NMR Spectrometer Information | |||
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Spectrometer | Manufacturer | Model | Field Strength |
1 | Bruker | DMX | 500 |
2 | Bruker | DMX | 600 |
NMR Refinement | ||
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Method | Details | Software |
Structure calculations were performed using CNS version 1.0 on an SGI platform. The refinement protocol for annealing involved torsion angle heating (100 K, 1000 steps) followed by cooling in torsion (100 K, 5000 steps) and cartesian space (1000 K, 10,000 steps). | CNS |
NMR Ensemble Information | |
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Conformer Selection Criteria | back calculated data agree with experimental NOESY spectrum |
Conformers Calculated Total Number | 50 |
Conformers Submitted Total Number | 21 |
Representative Model | 1 (n/a) |
Computation: NMR Software | ||||
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# | Classification | Version | Software Name | Author |
1 | structure solution | CNS | 1.0 | BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE-KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU,READ,RICE,SIMONSON,WARREN |
2 | refinement | CNS | 1.0 | BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE-KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU,READ,RICE,SIMONSON,WARREN |