Biosynthetic engineered B28K-B29P human insulin monomer structure in in water/acetonitrile solutions.
SOLUTION NMR
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | 2D 1H-1H TOCSY | 2.5 - 3.0 mM insulin, residues 90-110, 2.5 - 3.0 mM insulin, residues 25-54, 73 % H2O, 27 % CD3CN | H2O / CD3CN | 1 | 2.5 | ambient | 298 | |
| 2 | 2D 1H-1H NOESY | 2.5 - 3.0 mM insulin, residues 90-110, 2.5 - 3.0 mM insulin, residues 25-54, 73 % H2O, 27 % CD3CN | H2O / CD3CN | 1 | 2.5 | ambient | 298 | |
| 3 | 2D 1H-1H NOESY | 2.5 - 3.0 mM insulin, residues 90-110, 2.5 - 3.0 mM insulin, residues 25-54, 73 % D2O-7, 27 % CD3CN-8 | D2O / CD3CN | 1 | 2.5 | ambient | 298 | |
| 4 | 2D 1H-13C HSQC | 2.5 - 3.0 mM insulin, residues 90-110, 2.5 - 3.0 mM insulin, residues 25-54, 73 % D2O-7, 27 % CD3CN-8 | D2O / CD3CN | 1 | 2.5 | ambient | 298 | |
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | Varian | Uniform NMR System | 500 |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| torsion angle dynamics, DGSA-distance geometry simulated annealing | Amber | |
| NMR Ensemble Information | |
|---|---|
| Conformer Selection Criteria | structures with the lowest energy |
| Conformers Calculated Total Number | 100 |
| Conformers Submitted Total Number | 20 |
| Representative Model | 1 (fewest violations) |
| Computation: NMR Software | ||||
|---|---|---|---|---|
| # | Classification | Version | Software Name | Author |
| 1 | refinement | Amber | 11 | Case, Darden, Cheatham, III, Simmerling, Wang, Duke, Luo, and Kollman |
| 2 | structure solution | Amber | 11 | Case, Darden, Cheatham, III, Simmerling, Wang, Duke, Luo, and Kollman |
| 3 | refinement | CYANA | 2.1 | Guntert, Mumenthaler and Wuthrich |
| 4 | collection | VnmrJ | 2.2 C | Varian |
| 5 | chemical shift assignment | Sparky | 2.6 | Goddard |
