1Y04
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 | 5.0 | ambient | 268 | |
| 2 | 2D NOESY | 1mM rSS3; pH adjusted to 5.0 using NaOH. | 95% H2O/5% D2O | low | 5.0 | ambient | 268 | |
| 3 | DQF-COSY | 1mM rSS3; pH adjusted to 5.0 using NaOH. | 95% H2O/5% D2O | low | 5.0 | ambient | 268 | |
| 4 | HNHA | 1mM rSS3 U-15N,13C; pH adjusted to 5.0 using NaOH | 95% H2O/5% D2O | low | 5.0 | ambient | 268 | |
| 5 | HNCA | 1mM rSS3 U-15N,13C; pH adjusted to 5.0 using NaOH | 95% H2O/5% D2O | low | 5.0 | ambient | 268 | |
| 6 | HNCACB | 1mM rSS3 U-15N,13C; pH adjusted to 5.0 using NaOH | 95% H2O/5% D2O | low | 5.0 | ambient | 268 | |
| 7 | CBCA(CO)NH | 1mM rSS3 U-15N,13C; pH adjusted to 5.0 using NaOH | 95% H2O/5% D2O | low | 5.0 | ambient | 268 | |
| 8 | HNCO | 1mM rSS3 U-15N,13C; pH adjusted to 5.0 using NaOH | 95% H2O/5% D2O | low | 5.0 | ambient | 268 | |
| 9 | HNCA-ECOSY | 1mM rSS3 U-15N,13C; pH adjusted to 5.0 using NaOH | 95% H2O/5% D2O | low | 5.0 | ambient | 268 | |
| 10 | HET-NOE | 1mM rSS3 U-15N,13C; pH adjusted to 5.0 using NaOH | 95% H2O/5% D2O | low | 5.0 | ambient | 268 | |
| 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 452 unambiguous restraints, 31 sets of ambiguous restraints and 52 dihedral angle 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 | The 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 |
