Solution structure of intermediate IIb of Leech-derived tryptase inhibitor, LDTI.
SOLUTION NMR
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | 2D 1H-1H TOCSY | 1.7 mM LDTI-IIb | 90% H2O/10% D2O | 1.7 | ambient | 298 | ||
| 2 | 2D 1H-1H COSY | 1.7 mM LDTI-IIb | 90% H2O/10% D2O | 1.7 | ambient | 298 | ||
| 3 | 2D 1H-1H NOESY | 1.7 mM LDTI-IIb | 90% H2O/10% D2O | 1.7 | ambient | 298 | ||
| 4 | 2D 1H-1H TOCSY | 1.7 mM LDTI-IIb | 100% D2O | 1.7 | ambient | 298 | ||
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | Bruker | AVANCE | 800 |
| 2 | Bruker | AVANCE | 600 |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| molecular dynamics | energy minimization with NMR distance constraints using a generalized Born solvent model | TopSpin |
| NMR Ensemble Information | |
|---|---|
| Conformer Selection Criteria | target function |
| Conformers Calculated Total Number | 50 |
| Conformers Submitted Total Number | 20 |
| Representative Model | 1 (fewest violations) |
| Computation: NMR Software | ||||
|---|---|---|---|---|
| # | Classification | Version | Software Name | Author |
| 1 | collection | TopSpin | 1.3 | Bruker Biospin |
| 2 | processing | TopSpin | 1.3 | Bruker Biospin |
| 3 | peak picking | NMRView | 5.0.20 | Johnson, One Moon Scientific |
| 4 | data analysis | NMRView | 5.0.20 | Johnson, One Moon Scientific |
| 5 | structure solution | CYANA | 2.1 | Guntert, Mumenthaler and Wuthrich |
| 6 | refinement | Amber | 9.0 | Case, Darden, Cheatham, III, Simmerling, Wang, Duke, Luo, and Kollm |
