5D3D
Crystal structure of Staphylococcal Superantigen-Like protein 3
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 8.2 | 298 | PEG 3350, potassium thiocyanate |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.46 | 50 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 58 | α = 90 |
| b = 79.22 | β = 90 |
| c = 96.38 | 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 | 80 | PIXEL | DECTRIS PILATUS 6M-F | 2013-03-30 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | SLS BEAMLINE X06SA | 0.9999 | SLS | X06SA |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | Net I Over Average Sigma (I) | Redundancy | Number Reflections (All) | Number Reflections (Observed) | Observed Criterion Sigma (F) | Observed Criterion Sigma (I) | B (Isotropic) From Wilson Plot | ||||||||
| 1 | 1.94 | 61.2 | 99.8 | 0.093 | 11.1 | 6.7 | 33556 | 32.2 | |||||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
| 1 | 1.94 | 1.99 | 99.9 | 0.73 | 2.7 | 6.6 | |||||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||||||
| X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | FREE R-VALUE | SSL4 | 1.94 | 61.2 | 31805 | 1694 | 99.77 | 0.17874 | 0.17635 | 0.22431 | RANDOM | 37.308 | ||||||
| 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] | |
| 1.54 | -0.22 | -1.32 | ||||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 39.496 |
| r_dihedral_angle_4_deg | 21.544 |
| r_dihedral_angle_3_deg | 12.473 |
| r_dihedral_angle_1_deg | 5.903 |
| r_long_range_B_refined | 5.238 |
| r_long_range_B_other | 5.081 |
| r_scangle_other | 2.429 |
| r_mcangle_it | 1.79 |
| r_mcangle_other | 1.79 |
| r_scbond_it | 1.485 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 3178 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 214 |
| Heterogen Atoms | 41 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| MOSFLM | data reduction |
| Aimless | data scaling |
| PHASER | phasing |
| REFMAC | refinement |
