1LM0
Solution structure and characterization of the heme chaperone CcmE
SOLUTION NMR
NMR Experiment | ||||||||
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Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | 2D NOESY | 2.0 mM apoCcmE, 20 mM phosphate, 90% H2O, 10% D2O | 90% H2O/10% D2O | 20 mM phosphate | 7.0 | 1 atm | 298 | |
2 | 2D TOCSY | 2.0 mM apoCcmE, 20 mM phosphate, 90% H2O, 10% D2O | 90% H2O/10% D2O | 20 mM phosphate | 7.0 | 1 atm | 298 | |
3 | 3D_13C-separated_NOESY | 2.0 mM apoCcmE, 20 mM phosphate, 90% H2O, 10% D2O | 90% H2O/10% D2O | 20 mM phosphate | 7.0 | 1 atm | 298 | |
4 | 3D_15N-separated_NOESY | 2.0 mM apoCcmE, 20 mM phosphate, 90% H2O, 10% D2O | 90% H2O/10% D2O | 20 mM phosphate | 7.0 | 1 atm | 298 | |
5 | HNHA | 2.0 mM apoCcmE, 20 mM phosphate, 90% H2O, 10% D2O | 90% H2O/10% D2O | 20 mM phosphate | 7.0 | 1 atm | 298 | |
6 | HNCO | 2.0 mM apoCcmE, 20 mM phosphate, 90% H2O, 10% D2O | 90% H2O/10% D2O | 20 mM phosphate | 7.0 | 1 atm | 298 | |
7 | HNHB | 2.0 mM apoCcmE, 20 mM phosphate, 90% H2O, 10% D2O | 90% H2O/10% D2O | 20 mM phosphate | 7.0 | 1 atm | 298 | |
8 | CBCANH | 2.0 mM apoCcmE, 20 mM phosphate, 90% H2O, 10% D2O | 90% H2O/10% D2O | 20 mM phosphate | 7.0 | 1 atm | 298 | |
9 | CC(CO)NH | 2.0 mM apoCcmE, 20 mM phosphate, 90% H2O, 10% D2O | 90% H2O/10% D2O | 20 mM phosphate | 7.0 | 1 atm | 298 | |
10 | CBCA(CO)NH | 2.0 mM apoCcmE, 20 mM phosphate, 90% H2O, 10% D2O | 90% H2O/10% D2O | 20 mM phosphate | 7.0 | 1 atm | 298 |
NMR Spectrometer Information | |||
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Spectrometer | Manufacturer | Model | Field Strength |
1 | Bruker | AVANCE | 700 |
NMR Refinement | ||
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Method | Details | Software |
simulated annealing, torsion angle dyanamics, restrained energy minimization | 1866 meaningful NOEs and 89 dihedral angle constraints | XwinNMR |
NMR Ensemble Information | |
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Conformer Selection Criteria | the submitted conformer models are the 35 structures with the lowest target function |
Conformers Calculated Total Number | 400 |
Conformers Submitted Total Number | 35 |
Representative Model | 1 (lowest energy) |
Additional NMR Experimental Information | |
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Details | The structure was determined using triple-resonance NMR spectroscopy on 13C and 15N double labeled apoCcmE. |
Computation: NMR Software | ||||
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# | Classification | Version | Software Name | Author |
1 | processing | XwinNMR | 2.6 | Bruker |
2 | data analysis | XEASY | 1.3 | Xia, Bartels |
3 | structure solution | DYANA | 1.5 | Gunter, Mumenthaler, Wuthrich |
4 | iterative matrix relaxation | CORMA | Borgias, Thomas, James | |
5 | refinement | Amber | 5.0 | Pearlman, Case, Caldwell, Ross, Cheatham, Ferguson, Seibel, Singh, Weiner, Kollman |