2KSC
Solution structure of Synechococcus sp. PCC 7002 hemoglobin
SOLUTION NMR
NMR Experiment | ||||||||
---|---|---|---|---|---|---|---|---|
Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | 3D 1H-15N NOESY | 1-2 mM [U-100% 15N] holoprotein | 90% H2O/10% D2O | 0.025 | 7.2 | ambient | 298 | |
2 | 3D 1H-13C NOESY | 0.6-1.4 mM [U-100% 13C; U-100% 15N] holoprotein | 90% H2O/10% D2O | 0.025 | 7.2 | ambient | 298 | |
3 | 2D 1H-1H NOESY | 1-2 mM holoprotein | 90% H2O/10% D2O | 0.025 | 7.2 | ambient | 298 | |
4 | 2D 1H-1H NOESY | 1-4 mM holoprotein | 100% D2O | 0.025 | 7.2 | ambient | 298 | |
5 | 3D HNHA | 1-2 mM [U-100% 15N] holoprotein | 90% H2O/10% D2O | 0.025 | 7.2 | ambient | 298 |
NMR Spectrometer Information | |||
---|---|---|---|
Spectrometer | Manufacturer | Model | Field Strength |
1 | Bruker | DRX | 600 |
NMR Refinement | ||
---|---|---|
Method | Details | Software |
DGSA-distance geometry simulated annealing, torsion angle dynamics | 100 conformers, 30 conformers from 3/100 lowest energy DGSA refined conformers | X-PLOR NIH |
NMR Ensemble Information | |
---|---|
Conformer Selection Criteria | structures with the least restraint violations |
Conformers Calculated Total Number | 30 |
Conformers Submitted Total Number | 16 |
Representative Model | 1 (minimized average) |
Computation: NMR Software | ||||
---|---|---|---|---|
# | Classification | Version | Software Name | Author |
1 | structure solution | X-PLOR NIH | 2.23 | Schwieters, Kuszewski, Tjandra and Clore |
2 | refinement | X-PLOR NIH | 2.23 | Schwieters, Kuszewski, Tjandra and Clore |