NMR structure of a Kazal-type serine protease inhibitor from the subterranean termite defense gland of Coptotermes formosanus Shiraki soldiers
SOLUTION NMR
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | 2D 1H-15N HSQC | 1 mM [U-99% 13C; U-99% 15N] TFP4 | 90% H2O/10% D2O | 0.12 | 6.5 | ambient | 298 | |
| 2 | 2D 1H-13C HSQC | 1 mM [U-99% 13C; U-99% 15N] TFP4 | 90% H2O/10% D2O | 0.12 | 6.5 | ambient | 298 | |
| 3 | 2D 1H-1H NOESY | 1 mM [U-99% 13C; U-99% 15N] TFP4 | 90% H2O/10% D2O | 0.12 | 6.5 | ambient | 298 | |
| 4 | 2D 1H-1H TOCSY | 1 mM [U-99% 13C; U-99% 15N] TFP4 | 90% H2O/10% D2O | 0.12 | 6.5 | ambient | 298 | |
| 5 | 2D 1H-1H COSY | 1 mM [U-99% 13C; U-99% 15N] TFP4 | 90% H2O/10% D2O | 0.12 | 6.5 | ambient | 298 | |
| 6 | 3D 1H-15N NOESY | 1 mM [U-99% 13C; U-99% 15N] TFP4 | 90% H2O/10% D2O | 0.12 | 6.5 | ambient | 298 | |
| 7 | 3D 1H-15N TOCSY | 1 mM [U-99% 13C; U-99% 15N] TFP4 | 90% H2O/10% D2O | 0.12 | 6.5 | ambient | 298 | |
| 8 | 3D HNCACB | 1 mM [U-99% 13C; U-99% 15N] TFP4 | 90% H2O/10% D2O | 0.12 | 6.5 | ambient | 298 | |
| 9 | 3D HN(COCA)CB | 1 mM [U-99% 13C; U-99% 15N] TFP4 | 90% H2O/10% D2O | 0.12 | 6.5 | ambient | 298 | |
| 10 | 3D HNCO | 1 mM [U-99% 13C; U-99% 15N] TFP4 | 90% H2O/10% D2O | 0.12 | 6.5 | ambient | 298 | |
| 11 | 3D HCACO | 1 mM [U-99% 13C; U-99% 15N] TFP4 | 90% H2O/10% D2O | 0.12 | 6.5 | ambient | 298 | |
| 12 | 3D 1H-13C NOESY | 1 mM [U-99% 13C; U-99% 15N] TFP4 | 90% H2O/10% D2O | 0.12 | 6.5 | ambient | 298 | |
| 13 | 3D HCCH-TOCSY | 1 mM [U-99% 13C; U-99% 15N] TFP4 | 90% H2O/10% D2O | 0.12 | 6.5 | ambient | 298 | |
| 14 | 3D HNHB | 1 mM [U-99% 13C; U-99% 15N] TFP4 | 90% H2O/10% D2O | 0.12 | 6.5 | ambient | 298 | |
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | Varian | VS-700 | 700 |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| DGSA-distance geometry simulated annealing | VnmrJ | |
| NMR Ensemble Information | |
|---|---|
| Conformer Selection Criteria | structures with the lowest energy |
| Conformers Calculated Total Number | 100 |
| Conformers Submitted Total Number | 10 |
| Representative Model | 1 (lowest energy) |
| Computation: NMR Software | ||||
|---|---|---|---|---|
| # | Classification | Version | Software Name | Author |
| 1 | collection | VnmrJ | Agilent | |
| 2 | processing | NMRPipe | 7.8 | Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax |
| 3 | data analysis | CCPNMR | 2.2.2 | CCPN |
| 4 | peak picking | CCPNMR | 2.2.2 | CCPN |
| 5 | chemical shift assignment | CCPNMR | 2.2.2 | CCPN |
| 6 | noe assignment | CCPNMR | 2.2.2 | CCPN |
| 7 | dihedral angle | CCPNMR | 2.2.2 | CCPN |
| 8 | geometry optimization | CNS | 1.2 | Brunger, Adams, Clore, Gros, Nilges and Read |
| 9 | refinement | CNS | 1.2 | Brunger, Adams, Clore, Gros, Nilges and Read |
| 10 | dihedral angle | TALOS | Cornilescu, Delaglio and Bax | |
| 11 | structure validation | PSVS | 1.5 | Bhattacharya and Montelione |














