2FO8
Solution structure of the Trypanosoma cruzi cysteine protease inhibitor chagasin
SOLUTION NMR
NMR Experiment | ||||||||
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Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | 2D NOESY | 1.19 mM unlabeled chagasin | 90% H2O / 10% D2O; 20mM phosphate buffer | 50 mM NaCl | 5.6 | 1 atm | 298 | |
2 | 2D NOESY | 1.19 mM unlabeled chagasin | 100% D2O; 20mM phosphate buffer | 50 mM NaCl | 5.6 | 1 atm | 298 | |
3 | 3D_15N-separated_NOESY | 0.52 mM U-15N chagasin | 90% H2O / 10% D2O; 20mM phosphate buffer | 50 mM NaCl | 5.6 | 1 atm | 298 | |
4 | 3D_13C-separated_NOESY | 0.73 mM U-15N,13C chagasin | 100% D2O; 20mM phosphate buffer | 50 mM NaCl | 5.6 | 1 atm | 298 | |
5 | Triple-resonance experiments | 0.3 mM U-15N,13C chagasin | 90% H2O / 10% D2O; 20mM phosphate buffer | 50 mM NaCl | 5.6 | 1 atm | 298 |
NMR Spectrometer Information | |||
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Spectrometer | Manufacturer | Model | Field Strength |
1 | Bruker | DRX | 600 |
NMR Refinement | ||
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Method | Details | Software |
simulated annealing, torsion angle dynamics, water-box refinement | XwinNMR |
NMR Ensemble Information | |
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Conformer Selection Criteria | structures with the lowest energy |
Conformers Calculated Total Number | 200 |
Conformers Submitted Total Number | 15 |
Representative Model | 1 (lowest energy) |
Computation: NMR Software | ||||
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# | Classification | Version | Software Name | Author |
1 | collection | XwinNMR | 3.0 | Bruker AG |
2 | data analysis | Sparky | 3.106 | UCSF |
3 | refinement | CNS | 1.1 | Brunger, A.T. et al. |
4 | refinement | ARIA | 1.2 | Linge, J.P., O Donoghue, S. I., Nilge, M. |