1CB3
LOCAL INTERACTIONS DRIVE THE FORMATION OF NON-NATIVE STRUCTURE IN THE DENATURED STATE OF HUMAN ALPHA-LACTALBUMIN: A HIGH RESOLUTION STRUCTURAL CHARACTERIZATION OF A PEPTIDE MODEL IN AQUEOUS SOLUTION
SOLUTION NMR
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | ROESY | 2.8 | 1 atm | 283 | ||||
| 2 | TOCSY | 2.8 | 1 atm | 283 | ||||
| 3 | DQF-COSY | 2.8 | 1 atm | 283 | ||||
| 4 | E.COSY | 2.8 | 1 atm | 283 | ||||
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | Varian | INOVA | 500 |
| 2 | Varian | INOVA | 600 |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| DISTANCE GEOMETRY AND SIMULATED ANNEALING | BOND LENGTHS (A) : 0.0035; BOND ANGLES (DEGREES) : 0.59; IMPROPER ANGLES (DEGREES) : 0.35; PARAMETER FILE 1 : PARALLHDG.PRO; TOPOLOGY FILE 1 : TOPALLHDG.PRO | X-PLOR |
| NMR Ensemble Information | |
|---|---|
| Conformer Selection Criteria | structures with the least restraint violations |
| Conformers Calculated Total Number | 200 |
| Conformers Submitted Total Number | 40 |
| Representative Model | 1 (n/a) |
| Additional NMR Experimental Information | |
|---|---|
| Details | THE STRUCTURE WAS DETERMINED USING 1H NMR SPECTROSCOPY ON A CHEMICALLY SYNTHESIZED PEPTIDE CORRESPONDING TO RESIDUES 120-130 OF HUMAN ALPHA- LACTALBUMIN |
| Computation: NMR Software | ||||
|---|---|---|---|---|
| # | Classification | Version | Software Name | Author |
| 1 | refinement | X-PLOR | 3.851 | BRUNGER |
| 2 | structure solution | X-PLOR | 3.851 | BRUNGER |
