The Solution Structure of Antifungal Peptide Distinct With a Five-disulfide Motif from Eucommia ulmoides Oliver
SOLUTION NMR
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | DQF-COSY | 6mM antifungal peptide(EAFP2); 20 mM phosphate buffer,0.01 mM EDTA | 90% H2O/10% D2O | 20 mM Phospate Buffer | 5.6 | ambient | 300 | |
| 2 | 2D TOCSY | 6mM antifungal peptide(EAFP2); 20 mM phosphate buffer,0.01 mM EDTA | 90% H2O/10% D2O | 20 mM Phospate Buffer | 5.6 | ambient | 300 | |
| 3 | 2D NOESY | 6mM antifungal peptide(EAFP2); 20 mM phosphate buffer,0.01 mM EDTA | 90% H2O/10% D2O | 20 mM Phospate Buffer | 5.6 | ambient | 300 | |
| 4 | 2D TOCSY | 6mM antifungal peptide(EAFP2); 20 mM phosphate buffer, 0.01 mMEDTA | 100% D2O | 20 mM Phospate Buffer | 5.6 | ambient | 300 | |
| 5 | 2D NOESY | 6mM antifungal peptide(EAFP2); 20 mM phosphate buffer, 0.01 mMEDTA | 100% D2O | 20 mM Phospate Buffer | 5.6 | ambient | 300 | |
| 6 | DQF-COSY | 6mM antifungal peptide(EAFP2); 20 mM phosphate buffer, 0.01 mMEDTA | 100% D2O | 20 mM Phospate Buffer | 5.6 | ambient | 300 | |
| 7 | 2D NOESY | 6mM antifungal peptide(EAFP2); 20 mM phosphate buffer,0.01 mM EDTA | 90% H2O/10% D2O | 20 mM Phospate Buffer | 5.6 | ambient | 290 | |
| 8 | 2D TOCSY | 6mM antifungal peptide(EAFP2); 20 mM phosphate buffer,0.01 mM EDTA | 90% H2O/10% D2O | 20 mM Phospate Buffer | 5.6 | ambient | 290 | |
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | Bruker | DMX | 500 |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| torsion angle dynamics, simulated annealing | the structures are based on a total of 630 restraints, 594 are NOE-derived distance constraints, 16 dihedral angle restraints,20 distance restraints from hydrogen bonds. | XwinNMR |
| NMR Ensemble Information | |
|---|---|
| Conformer Selection Criteria | structures with the least restraint violations,structures with the lowest energy |
| Conformers Calculated Total Number | 100 |
| Conformers Submitted Total Number | 21 |
| Representative Model | 1 (fewest violations,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 | collection | XwinNMR | 3.1 | Bruker Corp. |
| 2 | data analysis | Sparky | 3.105 | Goddard, T.D. and Kneller, D.G. |
| 3 | structure solution | CNS | 1.1 | Brunger, A.T. etc. |
| 4 | refinement | CNS | 1.1 | Brunger, A.T. etc. |
