2NA5
NMR solution structure of vitamin B12 conjugates of PYY3-36
SOLUTION NMR
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | NOESY | 1 mM vitamin B12 conjugate of PYY3, 90% H2O, 10% D2O | 90% H2O/10% D2O | 5.5 | 298 | |||
| 2 | 2D 1H-1H TOCSY | 1 mM vitamin B12 conjugate of PYY3, 90% H2O, 10% D2O | 90% H2O/10% D2O | 5.5 | 298 | |||
| 3 | 2D DQF-COSY | 1 mM vitamin B12 conjugate of PYY3, 90% H2O, 10% D2O | 90% H2O/10% D2O | 5.5 | 298 | |||
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | Bruker | DRX | 500 |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| molecular dynamics | 2D NOE cross peaks were categorized as strong, medium, or weak and distance constraints were set to 1.8 to 3.5A, 1.8 to 4.5A and 1.8 to 6.0A. | TopSpin |
| NMR Ensemble Information | |
|---|---|
| Conformer Selection Criteria | structures with the lowest energy |
| Conformers Calculated Total Number | 4 |
| Conformers Submitted Total Number | 1 |
| Representative Model | 1 (lowest energy) |
| Computation: NMR Software | ||||
|---|---|---|---|---|
| # | Classification | Version | Software Name | Author |
| 1 | collection | TopSpin | 1.3 | Bruker Biospin |
| 2 | chemical shift calculation | TopSpin | 1.3 | Bruker Biospin |
| 3 | chemical shift assignment | TopSpin | 1.3 | Bruker Biospin |
| 4 | refinement | GROMOS96 | Schwede et al. | |
