2LQA
Solution NMR structure of Asteropsin A from marine sponge Asteropus sp.
SOLUTION NMR
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | 2D 1H-1H NOESY | 10 mM methanol-1 | CD3OH | 7.0 | ambient | 298 | ||
| 2 | 2D 1H-1H TOCSY | 10 mM methanol-1 | CD3OH | 7.0 | ambient | 298 | ||
| 3 | 2D DQF-COSY | 10 mM methanol-1 | CD3OH | 7.0 | ambient | 298 | ||
| 4 | 2D 1H-13C HSQC aliphatic | 10 mM methanol-1 | CD3OH | 7.0 | ambient | 298 | ||
| 5 | 2D 1H-13C HSQC aromatic | 10 mM methanol-1 | CD3OH | 7.0 | ambient | 298 | ||
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | Varian | INOVA | 600 |
| 2 | Varian | INOVA | 500 |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| simulated annealing | CNS | |
| NMR Ensemble Information | |
|---|---|
| Conformer Selection Criteria | structures with the lowest energy |
| Conformers Calculated Total Number | 200 |
| Conformers Submitted Total Number | 20 |
| Representative Model | 1 (lowest energy) |
| Computation: NMR Software | ||||
|---|---|---|---|---|
| # | Classification | Version | Software Name | Author |
| 1 | structure solution | CNS | 1.3 | Brunger, Adams, Clore, Gros, Nilges and Read |
| 2 | refinement | CNS | ||
