5XE4
NMR solution structure of the aromatic mutant H43W H67F cytochrome b5
SOLUTION NMR
NMR Experiment | ||||||||
---|---|---|---|---|---|---|---|---|
Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | 2D 1H-15N HSQC | 0.5 mM [U-99% 15N] WF cytochrome b5 | 90% H2O/10% D2O | 60 mM | 7 | 101 Pa | 283 | Varian Uniform NMR System 600 |
2 | 3D HNCACB | 0.5 mM [U-13C; U-15N] WF cytochrome b5 | 90% H2O/10% D2O | 60 mM | 7 | 101 Pa | 283 | Varian Uniform NMR System 600 |
3 | 3D CBCA(CO)NH | 0.5 mM [U-13C; U-15N] WF cytochrome b5 | 90% H2O/10% D2O | 60 mM | 7 | 101 Pa | 283 | Varian Uniform NMR System 600 |
4 | 3D HNCA | 0.5 mM [U-13C; U-15N] WF cytochrome b5 | 90% H2O/10% D2O | 60 mM | 7 | 101 Pa | 283 | Bruker AVANCE 700 |
5 | 3D HN(CO)CA | 0.5 mM [U-13C; U-15N] WF cytochrome b5 | 90% H2O/10% D2O | 60 mM | 7 | 101 Pa | 283 | Bruker AVANCE 700 |
6 | 3D NOESY-HSQC | 0.5 mM [U-99% 15N] WF cytochrome b5 | 90% H2O/10% D2O | 60 mM | 7 | 101 Pa | 283 | Varian Uniform NMR System 600 |
7 | 2D NOE | 0.5 mM [U-99% 15N] WF cytochrome b5 | 90% H2O/10% D2O | 60 mM | 7 | 101 Pa | 283 | Varian Uniform NMR System 600 |
NMR Spectrometer Information | |||
---|---|---|---|
Spectrometer | Manufacturer | Model | Field Strength |
1 | Varian | Uniform NMR System | 600 |
2 | Bruker | AVANCE | 700 |
NMR Refinement | ||
---|---|---|
Method | Details | Software |
simulated annealing | CNS |
NMR Ensemble Information | |
---|---|
Conformer Selection Criteria | structures with the least restraint violations |
Conformers Calculated Total Number | 50 |
Conformers Submitted Total Number | 20 |
Representative Model | 1 (lowest energy) |
Computation: NMR Software | ||||
---|---|---|---|---|
# | Classification | Version | Software Name | Author |
1 | refinement | CNS | Brunger A. T. et.al. | |
2 | structure calculation | CYANA | Guntert, Mumenthaler and Wuthrich | |
3 | chemical shift assignment | CcpNMR | CCPN | |
4 | peak picking | CcpNMR | CCPN |