2FMC
Solution structure of the class I hydrophobin EAS
SOLUTION NMR
NMR Experiment | ||||||||
---|---|---|---|---|---|---|---|---|
Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | 2D NOESY | 0.5mM EAS | 95% H2O/5% D2O | 4.5 | ambient | 298 | ||
2 | 2D TOCSY | 0.5mM EAS | 95% H2O/5% D2O | 4.5 | ambient | 298 | ||
3 | DQF-COSY | 0.5mM EAS | 95% H2O/5% D2O | 4.5 | ambient | 298 | ||
4 | 2D NOESY | 0.5mM EAS | 95% H2O/5% D2O | 4.5 | ambient | 280 | ||
5 | 2D TOCSY | 0.5mM EAS | 95% H2O/5% D2O | 4.5 | ambient | 280 | ||
6 | 15N-HSQC | U-15N 0.2mM EAS; 20mM sodium acetate | 95% H2O/5% D2O | 4.5 | ambient | 298 | ||
7 | 3D_15N-separated_NOESY | U-15N 0.2mM EAS; 20mM sodium acetate | 95% H2O/5% D2O | 4.5 | ambient | 298 | ||
8 | HNHA | U-15N 0.2mM EAS; 20mM sodium acetate | 95% H2O/5% D2O | 4.5 | ambient | 298 | ||
9 | 3D_13C-separated_NOESY | U-15N,13C 0.5mM EAS; 20mM sodium acetate | 95% H2O/5% D2O | 4.5 | ambient | 298 | ||
10 | 13C-HSQC | U-15N,13C 0.5mM EAS; 20mM sodium acetate | 95% H2O/5% D2O | 4.5 | ambient | 298 |
NMR Spectrometer Information | |||
---|---|---|---|
Spectrometer | Manufacturer | Model | Field Strength |
1 | Bruker | DRX | 600 |
2 | Bruker | DRX | 800 |
NMR Refinement | ||
---|---|---|
Method | Details | Software |
simulated annealing, molecular dynamics, torsion angle dynamics | the structures are based on: 1623 NOE-derived distance constraints, 90 dihedral angle restraints,10 distance restraints from hydrogen bonds. | XwinNMR |
NMR Ensemble Information | |
---|---|
Conformer Selection Criteria | structures with the lowest energy |
Conformers Calculated Total Number | 300 |
Conformers Submitted Total Number | 20 |
Representative Model | 1 (lowest energy) |
Additional NMR Experimental Information | |
---|---|
Details | Other standard triple resonance NMR expts were also collected, including: HNCO, HNCA, HNCACB, CBCA(CO)NH, HCCH-TOCSY etc |
Computation: NMR Software | ||||
---|---|---|---|---|
# | Classification | Version | Software Name | Author |
1 | processing | XwinNMR | 2.5 | Bruker |
2 | data analysis | XEASY | 1.3.13 | Bartels et al |
3 | structure solution | ARIA | 1.2 | Linge et al |
4 | refinement | ARIA | 1.2 | Linge et al |