2LGB
Modified A22Gly-B31Arg Human Insulin
SOLUTION NMR
NMR Experiment | ||||||||
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Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | 2D 1H-1H TOCSY | 3.0 - 2.0 mM Insulin A chain, 3.0 - 2.0 mM Insulin B chain | 65% H2O / 35% CD3CN | 0 | 3.5 | ambient | 298 | |
2 | 2D 1H-1H NOESY | 3.0 - 2.0 mM Insulin A chain, 3.0 - 2.0 mM Insulin B chain | 65% H2O / 35% CD3CN | 0 | 3.5 | ambient | 298 | |
3 | 2D 1H-1H NOESY | 3.0 - 2.0 mM Insulin A chain, 3.0 - 2.0 mM Insulin B chain | 65% D2O / 35% CD3CN | 0 | 3.5 | ambient | 298 | |
4 | 2D 1H-13C HSQC | 3.0 - 2.0 mM Insulin A chain, 3.0 - 2.0 mM Insulin B chain | 65% D2O / 35% CD3CN | 0 | 3.5 | ambient | 298 |
NMR Spectrometer Information | |||
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Spectrometer | Manufacturer | Model | Field Strength |
1 | Varian | Uniform NMR System | 500 |
NMR Refinement | ||
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Method | Details | Software |
simulated annealing | Amber |
NMR Ensemble Information | |
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Conformer Selection Criteria | structures with the lowest energy and with the least restraint violations |
Conformers Calculated Total Number | 100 |
Conformers Submitted Total Number | 20 |
Representative Model | 1 (lowest energy) |
Computation: NMR Software | ||||
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# | Classification | Version | Software Name | Author |
1 | refinement | Amber | 9 | Case, Darden, Cheatham, III, Simmerling, Wang, Duke, Luo, and Kollm |
2 | geometry optimization | Amber | 9 | Case, Darden, Cheatham, III, Simmerling, Wang, Duke, Luo, and Kollm |
3 | collection | VnmrJ | 2.2C | Varian |
4 | chemical shift assignment | Sparky | 2.6 | Goddard |