2K9E
NMR Solution Structure for ShK-192: A Potent KV1.3-Specific Immunosuppressive Polypeptide
SOLUTION NMR
NMR Experiment | ||||||||
---|---|---|---|---|---|---|---|---|
Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | 2D 1H-15N HSQC | 3.0 mM ShK-192 | 90% H2O/10% D2O | 10 | 4.79 | ambient | 293 | |
2 | 2D 1H-13C HSQC | 3.0 mM ShK-192 | 90% H2O/10% D2O | 10 | 4.79 | ambient | 293 | |
3 | 2D 1H-1H TOCSY | 3.0 mM ShK-192 | 90% H2O/10% D2O | 10 | 4.79 | ambient | 293 | |
4 | 2D 1H-1H TOCSY | 3.0 mM ShK-192 | 100% D2O | 10 | 4.1 | ambient | 278 | |
5 | 2D 1H-13C HSQC | 3.0 mM ShK-192 | 100% D2O | 10 | 4.1 | ambient | 278 | |
6 | 2D 1H-1H COSY | 3.0 mM ShK-192 | 90% H2O/10% D2O | 10 | 4.79 | ambient | 293 | |
7 | 2D 1H-1H NOESY | 3.0 mM ShK-192 | 90% H2O/10% D2O | 10 | 4.79 | ambient | 293 | |
8 | 2D 1H-1H NOESY | 3.0 mM ShK-192 | 100% D2O | 10 | 4.1 | ambient | 278 |
NMR Spectrometer Information | |||
---|---|---|---|
Spectrometer | Manufacturer | Model | Field Strength |
1 | Bruker | DRX | 600 |
2 | Bruker | AMX | 500 |
NMR Refinement | ||
---|---|---|
Method | Details | Software |
simulated annealing, molecular dynamics | X-PLOR NIH |
NMR Ensemble Information | |
---|---|
Conformer Selection Criteria | structures with the lowest energy |
Conformers Calculated Total Number | 50 |
Conformers Submitted Total Number | 20 |
Representative Model | 1 (closest to the average) |
Additional NMR Experimental Information | |
---|---|
Details | THIS STRUCTURE WAS DETERMINED USING STANDARD 2D HOMONUCLEAR TECHNIQUES |
Computation: NMR Software | ||||
---|---|---|---|---|
# | Classification | Version | Software Name | Author |
1 | chemical shift assignment | X-PLOR NIH | Schwieters, Kuszewski, Tjandra and Clore | |
2 | refinement | X-PLOR NIH | Schwieters, Kuszewski, Tjandra and Clore |