2M8F
Structure of lasso peptide astexin3
SOLUTION NMR
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | 2D TOCSY | 16.25 mg/mL astexin3 | DMSO | 295 | ||||
| 2 | 2D NOESY | 16.25 mg/mL astexin3 | DMSO | 295 | ||||
| 3 | 2D COSY | 16.25 mg/mL astexin3 | DMSO | 295 | ||||
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | Bruker | AVANCE III | 500 |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| simulated annealing, torsion angle dynamics | An ensemble of 200 structures was generated by simulated annealing under a set of 218 NOE-derived upper distance restraints and 11 3JHHA coupling-derived phi angle restraints. 20 lowest energy structures were refined further by energy minimization using TINKER 6.0. | CYANA |
| 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) |
| Additional NMR Experimental Information | |
|---|---|
| Details | This structure was determined using standard 2D homonuclear techniques. |
| Computation: NMR Software | ||||
|---|---|---|---|---|
| # | Classification | Version | Software Name | Author |
| 1 | structure solution | CYANA | 6.0 | Guntert, Mumenthaler and Wuthrich |
| 2 | processing | TopSpin | 2.1 | Ponder |
| 3 | processing | MESTRENOVA | 7.0.3 | MestreLab Research, S.S.L., Santiago de Compostella, Spain |
| 4 | refinement | Tinker | 6.0 | Ponder |
| 5 | refinement | CYANA | 6.0 | Guntert, Mumenthaler and Wuthrich |
