Conformational Mapping of Mini-B: An N-terminal/C-terminal Construct of Surfactant Protein B Using 13C-Enhanced Fourier Transform Infrared (FTIR) Spectroscopy
INFRARED SPECTROSCOPY
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | FTIR | THIS STRUCTURE WAS DETERMINED USING 13-C ISOTOPE ENHANCED FTIR SPECTROSCOPY ON A FAMILY OF SELECTIVELY LABELED CHEMICALLY SYNTHESIZED PEPTIDES. 13-C CARBONYL LABELS INCLUDED RESIDUES 3,6,7,8,11,13,15,16,18,19,22,25,26,29,30. | peptide self-film solvated with hexafluoroispropanol:D20, 9:1 | ambient | 298 | |||
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | Bruker | vector 22 FTIR | |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| distance geometry, simulated annealing | THE COORDINATES IN THIS ENTRY WERE GENERATED FROM 13-C INDUCED SPECTRAL SHIFTS WHICH GIVE RESIDUE-SPECIFIC SECONDARY STRUCTURE INFORMATION. | CHARMM |
| NMR Ensemble Information | |
|---|---|
| Conformer Selection Criteria | structures with acceptable covalent geometry |
| Conformers Calculated Total Number | 75 |
| Conformers Submitted Total Number | 10 |
| Representative Model | 1 (fewest violations) |
| Computation: NMR Software | ||||
|---|---|---|---|---|
| # | Classification | Version | Software Name | Author |
| 1 | data analysis | Winfirst | FTIR curve fitting software | Kauppine et al. |
| 2 | structure solution | MODELLER | 6.2 | Sali et al. |
| 3 | refinement | CHARMM | 22 | Brooks et al. |
