SOLUTION STRUCTURE OF A LINKED UNSYMMETRIC GRAMICIDIN IN A MEMBRANE-ISOELECTRICAL SOLVENTS MIXTURE IN THE PRESENCE OF CsCl
SOLUTION NMR
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | DQF-COSY | 3MM SATURATED WITH CSCL | 293 | |||||
| 2 | 2D NOESY | 3MM SATURATED WITH CSCL | 293 | |||||
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | Bruker | AVANCE | 800 |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| simulated annealing | THE STRUCTURES ARE BASED ON 160 NOE- DERIVED DISTANCE CONSTRAINTS, 39 DIHEDRAL ANGLE RESTRAINTS, AND 40 DISTANCE RESTRAINTS FROM HYDROGEN BONDS | SYBYL/DYANA 6.8 |
| NMR Ensemble Information | |
|---|---|
| Conformer Selection Criteria | MINIMIZED AVERAGE STRUCTURE OF 11 STRUCTURES WITH THE LOWEST TARGET FUNCTION |
| Conformers Calculated Total Number | 50 |
| Conformers Submitted Total Number | 1 |
| Representative Model | 1 (n/a) |
| Additional NMR Experimental Information | |
|---|---|
| Details | VARIABLE TEMPERATURE EXPERIMENTS WERE PERFORMED TO HAVE THE TEMPERATURE DEPENDENCE OF NH CHEMICAL SHIFTS, THEREFORE PROVIDE EVIDENCE FOR HYDROGEN BONDING. |
| Computation: NMR Software | ||||
|---|---|---|---|---|
| # | Classification | Version | Software Name | Author |
| 1 | refinement | SYBYL/DYANA 6.8 | GUENTERT | |
| 2 | structure solution | SYBYL/DYANA 6.8 | ||
