Crystal structure of toxic shock syndrome toxin-1 (TSST-1) from Staphylococcus aureus
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 4TSS | |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 5.5 | 293 | 0.2 M Sodium Chloride, 0.1 M Bis-Tris, 25% PEG3350, pH 5.5, VAPOR DIFFUSION, SITTING DROP, temperature 293K |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 1.78 | 30.72 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 103.922 | α = 90 |
| b = 40.316 | β = 117.3 |
| c = 98.76 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | C 1 2 1 |
Diffraction
| Diffraction Experiment | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
| 1 | 1 | x-ray | 100 | CCD | MARMOSAIC 225 mm CCD | 3.0 Undulator | 2013-11-06 | M | SINGLE WAVELENGTH | |||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | APS BEAMLINE 21-ID-F | 0.97872 | APS | 21-ID-F |
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 | 1.28 | 30 | 98.8 | 0.054 | 21.7 | 3.7 | 97363 | 97363 | -3 | 19.2 | |||||||||
| 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 | 1.28 | 1.31 | 97.7 | 0.57 | 2.4 | 3.6 | |||||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | R-Free Selection Details | Mean Isotropic B | |||
| X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | 4TSS | 1.28 | 29.27 | 87967 | 87967 | 4659 | 98.71 | 0.14307 | 0.14122 | 0.14 | 0.17697 | 0.18 | RANDOM | 19.346 | |||
| 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] | |
| 0.02 | -0.2 | 1.07 | -0.64 | |||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_sphericity_free | 47.196 |
| r_dihedral_angle_2_deg | 32.05 |
| r_sphericity_bonded | 11.803 |
| r_dihedral_angle_3_deg | 9.614 |
| r_dihedral_angle_4_deg | 7.687 |
| r_long_range_B_refined | 5.273 |
| r_long_range_B_other | 4.406 |
| r_dihedral_angle_1_deg | 4.104 |
| r_scangle_other | 3.572 |
| r_scbond_it | 3.158 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 3102 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 521 |
| Heterogen Atoms | |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| Blu-Ice | data collection |
| BALBES | phasing |
| REFMAC | refinement |
| HKL-3000 | data reduction |
| HKL-3000 | data scaling |
