2AWT
Solution Structure of Human Small Ubiquitin-Like Modifier Protein Isoform 2 (SUMO-2)
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 | 0.8mM SUMO-2 U-15N, 13C; 50mM phosphate buffer pH 6.0; 150mM NaCl; 1mM EDTA; 1mM DSS; 0.01% sodium azide; 90% H2O, 10% D2O | 90% H2O/10% D2O | 50mM sodium phosphate, 150mM NaCl | 6.0 | ambient | 303 | |
2 | 3D_15N-separated_NOESY | 0.8mM SUMO-2 U-15N, 13C; 50mM phosphate buffer pH 6.0; 150mM NaCl; 1mM EDTA; 1mM DSS; 0.01% sodium azide; 90% H2O, 10% D2O | 90% H2O/10% D2O | 50mM sodium phosphate, 150mM NaCl | 6.0 | ambient | 303 | |
3 | HNHA | 0.8mM SUMO-2 U-15N, 13C; 50mM phosphate buffer pH 6.0; 150mM NaCl; 1mM EDTA; 1mM DSS; 0.01% sodium azide; 90% H2O, 10% D2O | 90% H2O/10% D2O | 50mM sodium phosphate, 150mM NaCl | 6.0 | ambient | 303 |
NMR Spectrometer Information | |||
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Spectrometer | Manufacturer | Model | Field Strength |
1 | Bruker | AVANCE | 600 |
2 | Bruker | AVANCE | 500 |
NMR Refinement | ||
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Method | Details | Software |
simulated annealing, torsion angle dynamics | 936 total restraints, of which 856 are NOE-derived distance constraints, 59 are dihedral angle restraints, 21 are distance restraints from hydrogen bonds | XwinNMR |
NMR Ensemble Information | |
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Conformer Selection Criteria | structures with the lowest energy |
Conformers Calculated Total Number | 100 |
Conformers Submitted Total Number | 20 |
Representative Model | 1 (lowest energy) |
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 | 3.5 | Bruker |
2 | data analysis | CARA | 1.1 | Keller |
3 | structure solution | CYANA | 2.0 | Guentert |
4 | refinement | CYANA | 2.0 | Guentert |