2KBL
NMR Structure of a Monomeric Folding Intermediate Reveals the Structural Basis for Rapid Assembly of an Evolutionary Optimized Trimerization Module
SOLUTION NMR
NMR Experiment | ||||||||
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Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | 2D 1H-1H TOCSY | 200uM foldon E5R | 95% H2O/5% D2O | 10 | 7.0 | ambient | 296.7 | |
2 | 2D 1H-1H NOESY | 200uM foldon E5R | 95% H2O/5% D2O | 10 | 7.0 | ambient | 296.7 | |
3 | 2D 1H-15N HSQC | 210uM [U-99% 15N] foldon E5R | 95% H2O/5% D2O | 10 | 7.0 | ambient | 296.7 | |
4 | 3D 1H-15N TOCSY | 210uM [U-99% 15N] foldon E5R | 95% H2O/5% D2O | 10 | 7.0 | ambient | 296.7 |
NMR Spectrometer Information | |||
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Spectrometer | Manufacturer | Model | Field Strength |
1 | Bruker | DRX | 600 |
2 | Bruker | DRX | 800 |
NMR Refinement | ||
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Method | Details | Software |
simulated annealing, simulated annealing with explicit solvent | TIP3P water model | XwinNMR |
NMR Ensemble Information | |
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Conformer Selection Criteria | structures with the least restraint violations |
Conformers Calculated Total Number | 100 |
Conformers Submitted Total Number | 10 |
Representative Model | 1 (lowest energy) |
Computation: NMR Software | ||||
---|---|---|---|---|
# | Classification | Version | Software Name | Author |
1 | data analysis | XwinNMR | Bruker | |
2 | data analysis | Sparky | Goddard | |
3 | data analysis | NMRPipe | Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax | |
4 | structure calculation | X-PLOR NIH | Schwieters, Kuszewski, Tjandra and Clore | |
5 | refinement | CNS | 1.0 |