2MXU
42-Residue Beta Amyloid Fibril
SOLID-STATE NMR
NMR Experiment | ||||||||
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Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | 2D 13C-13C DARR (50 ms) | 50 uM [U-100% 13C; U-100% 15N] AB42, 10 mM sodium phosphate | 100% H2O | 7.4 | ambient | 283 | ||
2 | 2D 13C-13C DARR (200 ms) | 50 uM [U-100% 13C; U-100% 15N] AB42, 10 mM sodium phosphate | 100% H2O | 7.4 | ambient | 283 | ||
3 | 2D 13C-15N correlation | 50 uM [U-100% 13C; U-100% 15N] AB42, 10 mM sodium phosphate | 100% H2O | 7.4 | ambient | 283 | ||
4 | 1D 13C-13C fpRFDR-CT | 50 uM [U-100% 13C; U-100% 15N] AB42, 10 mM sodium phosphate | 100% H2O | 7.4 | ambient | 283 | ||
5 | 1D 13C-15N REDOR | 50 uM [U-100% 13C; U-100% 15N] AB42, 10 mM sodium phosphate | 100% H2O | 7.4 | ambient | 283 |
NMR Spectrometer Information | |||
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Spectrometer | Manufacturer | Model | Field Strength |
1 | Bruker | AVANCE | 400 |
2 | Varian | UNITYPLUS | 400 |
NMR Refinement | ||
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Method | Details | Software |
torsion angle dynamics, simulated annealing | CYANA WAS USED TO OBTAIN 100 BEST STRUCTURE FROM 1000 TOTAL, AMBER 12 WAS USED TO REFINE 100 CYANA STRUCTURES TO BEST 10 STRUCTURES REPRESENTED HERE. THREE ROUNDS OF ANNEALING WERE USED. | Amber |
NMR Ensemble Information | |
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Conformer Selection Criteria | structures with the least restraint violations |
Conformers Calculated Total Number | 1000 |
Conformers Submitted Total Number | 10 |
Representative Model | 1 (fewest violations) |
Computation: NMR Software | ||||
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# | Classification | Version | Software Name | Author |
1 | refinement | Amber | 12 |