THE NMR STRUCTURE OF A STABLE AND COMPACT ALL-beta-SHEET VARIANT OF INTESTINAL FATTY ACID-BINDING PROTEIN
SOLUTION NMR
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | 13C-edited NOESY-HSQC | 1.8 mM protein, 20 mM potassium phosphate, 135 mM KCl, 10 mM NaCl, 0.5% NaN3,95% H2O, 5% D2O | 95% H2O/5% D2O | 20 mM potassium phosphate, 135 mM KCl, 10 mM NaCl, 0.5% NaN3 | 7.2 | atmospheric atm | 298 | |
| 2 | 15N-edited NOESY-HSQC | 1.8 mM protein, 20 mM potassium phosphate, 135 mM KCl, 10 mM NaCl, 0.5% NaN3,95% H2O, 5% D2O | 95% H2O/5% D2O | 20 mM potassium phosphate, 135 mM KCl, 10 mM NaCl, 0.5% NaN3 | 7.2 | atmospheric atm | 298 | |
| 3 | 3D 15N-15N edited NOESY | 1.8 mM protein, 20 mM potassium phosphate, 135 mM KCl, 10 mM NaCl, 0.5% NaN3,95% H2O, 5% D2O | 95% H2O/5% D2O | 20 mM potassium phosphate, 135 mM KCl, 10 mM NaCl, 0.5% NaN3 | 7.2 | atmospheric atm | 298 | |
| 4 | Aromatic13C-NOESY-HSQC | 1.8 mM protein, 20 mM potassium phosphate, 135 mM KCl, 10 mM NaCl, 0.5% NaN3,95% H2O, 5% D2O | 95% H2O/5% D2O | 20 mM potassium phosphate, 135 mM KCl, 10 mM NaCl, 0.5% NaN3 | 7.2 | atmospheric atm | 298 | |
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | Varian | UNITY | 500 |
| 2 | Varian | INOVA | 600 |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| ARIA1.1.2/CNS1.1 | The structures are based on a total of 2173 distance constraints and 176 CSI-derived dihedral angle restraints. | CNS |
| NMR Ensemble Information | |
|---|---|
| Conformer Selection Criteria | structures with the lowest energy |
| Conformers Calculated Total Number | 20 |
| Conformers Submitted Total Number | 10 |
| Representative Model | 1 (lowest energy) |
| Computation: NMR Software | ||||
|---|---|---|---|---|
| # | Classification | Version | Software Name | Author |
| 1 | structure solution | CNS | 1.1 | NILGES, M. AND O'DONOGHUE, S. (1998) PROG. NMR SPECTROSCOPY 32, 107-139.2. LINGE, J. AND NILGES, M. (1999) JOURNAL OF BIOMOLECULAR NMR 13, 51-59. |
| 2 | data analysis | Felix | 2001 | Accelrys Inc. |
| 3 | collection | VNMR | 6.1 | Varian Associates |
| 4 | refinement | CNS | 1.1 | NILGES, M. AND O'DONOGHUE, S. (1998) PROG. NMR SPECTROSCOPY 32, 107-139.2. LINGE, J. AND NILGES, M. (1999) JOURNAL OF BIOMOLECULAR NMR 13, 51-59. |
