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Solution structure of the class I hydrophobin EAS
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