1HX2
SOLUTION STRUCTURE OF BSTI, A TRYPSIN INHIBITOR FROM BOMBINA BOMBINA.
SOLUTION NMR
NMR Experiment | ||||||||
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Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | TOCSY,NOESY | 1.5mM BSTI | 90% H2O/10% D2O | 5.0 | ambient | 283 | ||
2 | TOCSY,NOESY,DQF-COSY | 1.5mM BSTI | 90% H2O/10% D2O | 5.0 | ambient | 293 | ||
3 | TOCSY,NOESY,DQF-COSY | 1.5mM BSTI | 90% H2O/10% D2O | 5.0 | ambient | 298 | ||
4 | TOCSY,NOESY | 1.5mM BSTI | 90% H2O/10% D2O | 5.0 | ambient | 305 | ||
5 | TOCSY,NOESY,DQF-COSY,ECOSY | 1.5mM BSTI | 100% D2O | 5.0 | ambient | 293 | ||
6 | TOCSY,NOESY,DQF-COSY | 1.5mM BSTI | 100% D2O | 5.0 | ambient | 298 |
NMR Spectrometer Information | |||
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Spectrometer | Manufacturer | Model | Field Strength |
1 | Bruker | DMX | 750 |
2 | Bruker | AMX | 500 |
NMR Refinement | ||
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Method | Details | Software |
torsion angle dynamics | Preliminary structures were generated with a torsion angle dynamics protocol within DYANA. Final structures were generated with TAD in XPLOR. Structures were energy minimised under influence of the CHARMM forcefield. | XwinNMR |
NMR Ensemble Information | |
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Conformer Selection Criteria | structures with the lowest energy |
Conformers Calculated Total Number | 50 |
Conformers Submitted Total Number | 20 |
Representative Model | 1 (lowest energy) |
Additional NMR Experimental Information | |
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Details | This structure was determined using standard 2D homonuclear techniques. |
Computation: NMR Software | ||||
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# | Classification | Version | Software Name | Author |
1 | collection | XwinNMR | 2.6 | Bruker |
2 | processing | XwinNMR | 2.6 | Bruker |
3 | data analysis | XEASY | 1.3.7 | Eccles |
4 | refinement | DYANA | 1.5 | Guentert |
5 | refinement | X-PLOR | 3.815 | Brunger |
6 | refinement | CHARMM | 21 | Brooks |