NMR assignment and structure of a peptide derived from the fusion peptide of HIV-1 gp41 in the presence of dodecylphosphocholine micelles
SOLUTION NMR
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | 2D 1H-1H COSY | 0.6 mM wtFP-tag, 20 mM [U-98% 2H] DPC, 2.0 mM HEPES, 90 % H2O, 10 % [U-99% 2H] D2O, 0.1 mM DSS | 90% H2O/10% D2O | 2 mM | 6.8 | 1 atm | 298 | Bruker AVANCE 600 |
| 2 | 2D 1H-1H TOCSY | 0.6 mM wtFP-tag, 20 mM [U-98% 2H] DPC, 2.0 mM HEPES, 90 % H2O, 10 % [U-99% 2H] D2O, 0.1 mM DSS | 90% H2O/10% D2O | 2 mM | 6.8 | 1 atm | 298 | Bruker AVANCE 600 |
| 3 | 2D 1H-1H NOESY | 0.6 mM wtFP-tag, 20 mM [U-98% 2H] DPC, 2.0 mM HEPES, 90 % H2O, 10 % [U-99% 2H] D2O, 0.1 mM DSS | 90% H2O/10% D2O | 2 mM | 6.8 | 1 atm | 298 | Bruker AVANCE 600 |
| 4 | 2D 1H-13C HSQC aliphatic | 0.6 mM wtFP-tag, 20 mM [U-98% 2H] DPC, 2.0 mM HEPES, 90 % H2O, 10 % [U-99% 2H] D2O, 0.1 mM DSS | 90% H2O/10% D2O | 2 mM | 6.8 | 1 atm | 298 | Bruker AVANCE 600 |
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | Bruker | AVANCE | 600 |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| simulated annealing | CYANA | |
| NMR Ensemble Information | |
|---|---|
| Conformer Selection Criteria | structures with the least restraint violations |
| Conformers Calculated Total Number | 100 |
| Conformers Submitted Total Number | 20 |
| Representative Model | 1 (n/a) |
| Computation: NMR Software | ||||
|---|---|---|---|---|
| # | Classification | Version | Software Name | Author |
| 1 | collection | TopSpin | Bruker Biospin | |
| 5 | processing | TopSpin | Bruker Biospin | |
| 2 | structure calculation | CYANA | Guntert, Mumenthaler and Wuthrich | |
| 3 | chemical shift assignment | Sparky | Goddard | |
| 4 | peak picking | Sparky | Goddard | |














