THREE-DIMENSIONAL STRUCTURE OF XENOPUS LAEVIS CU,ZN SUPEROXIDE DISMUTASE B DETERMINED BY X-RAY CRYSTALLOGRAPHY AT 1.5 ANGSTROMS RESOLUTION
X-RAY DIFFRACTION
Crystallization
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.43 | 49.36 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 73.45 | α = 90 |
| b = 68.94 | β = 90 |
| c = 58.76 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | P 21 21 21 |
Diffraction
| Diffraction Experiment | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
| 1 | 1 | x-ray | IMAGE PLATE | CUSTOM-MADE | 1993-08-18 | |||||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | EMBL/DESY, HAMBURG BEAMLINE X31 | EMBL/DESY, HAMBURG | X31 | |
Data Collection
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Resolution (High) | Resolution (Low) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work (Depositor) | R-Free (Depositor) | Mean Isotropic B | |||||||||
| X-RAY DIFFRACTION | 1.49 | 10 | 49209 | 0.104 | 0.104 | 0.169 | 20.3 | ||||||||||||
| Temperature Factor Modeling | ||||||
|---|---|---|---|---|---|---|
| Anisotropic B[1][1] | Anisotropic B[1][2] | Anisotropic B[1][3] | Anisotropic B[2][2] | Anisotropic B[2][3] | Anisotropic B[3][3] | |
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| x_scangle_it | 8.92 |
| x_scbond_it | 6.52 |
| x_mcangle_it | 3.53 |
| x_mcbond_it | 2.58 |
| x_bond_d | 0.022 |
| x_bond_d_na | |
| x_bond_d_prot | |
| x_angle_d | |
| x_angle_d_na | |
| x_angle_d_prot | |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 2187 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 350 |
| Heterogen Atoms | 4 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| SHELXL-93 | refinement |
| PROLSQ | refinement |
| X-PLOR | refinement |
| X-PLOR | model building |
| MOSFLM | data reduction |
| X-PLOR | phasing |
