1Y03
Solution structure of a recombinant type I sculpin antifreeze protein
SOLUTION NMR
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | 2D TOCSY | 1mM rSS3; pH adjusted to 5.0 using NaOH | 95% H2O/5% D2O | low | 5 | ambient | 278 | |
| 2 | 2D NOESY | 1mM rSS3; pH adjusted to 5.0 using NaOH | 95% H2O/5% D2O | low | 5 | ambient | 278 | |
| 3 | DQF-COSY | 1mM rSS3; pH adjusted to 5.0 using NaOH | 95% H2O/5% D2O | low | 5 | ambient | 278 | |
| 4 | HNHA | 1mM rSS3 U-15N,13C; pH adjusted to 5.0 using NaOH | 95% H2O/5% D2O | low | 5 | ambient | 278 | |
| 5 | HNCA | 1mM rSS3 U-15N,13C; pH adjusted to 5.0 using NaOH | 95% H2O/5% D2O | low | 5 | ambient | 278 | |
| 6 | HNCACB | 1mM rSS3 U-15N,13C; pH adjusted to 5.0 using NaOH | 95% H2O/5% D2O | low | 5 | ambient | 278 | |
| 7 | CBCA(CO)NH | 1mM rSS3 U-15N,13C; pH adjusted to 5.0 using NaOH | 95% H2O/5% D2O | low | 5 | ambient | 278 | |
| 8 | HNCO | 1mM rSS3 U-15N,13C; pH adjusted to 5.0 using NaOH | 95% H2O/5% D2O | low | 5 | ambient | 278 | |
| 9 | HNCA-ECOSY | 1mM rSS3 U-15N,13C; pH adjusted to 5.0 using NaOH | 95% H2O/5% D2O | low | 5 | ambient | 278 | |
| 10 | HET-NOE | 1mM rSS3 U-15N,13C; pH adjusted to 5.0 using NaOH | 95% H2O/5% D2O | low | 5 | ambient | 278 | |
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | Bruker | DRX | 600 |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| simulated annealing, molecular dynamics, torsion angle dynamics | Structure calculations were performed using the package ARIA 1.2. Final stuctures are based on 437 unambiguous restraints, 18 sets of ambiguous restraints, 46 dihedral angle restraints and 18 HN residual dipolar coupling restraints. | XwinNMR |
| NMR Ensemble Information | |
|---|---|
| Conformer Selection Criteria | structures with the lowest energy |
| Conformers Calculated Total Number | 500 |
| Conformers Submitted Total Number | 20 |
| Representative Model | 1 (lowest energy) |
| Additional NMR Experimental Information | |
|---|---|
| Details | This structure was determined using standard triple-resonance NMR spectroscopy. |
| 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 | data analysis | Sparky | 3 | Goddard and Kneller |
| 4 | structure solution | ARIA | 1.2 | Linge et al |
| 5 | refinement | ARIA | 1.2 | Linge et al |
