Crystal structure of a putative transcriptional repressor of ribose operon from Staphylococcus saprophyticus subsp. saprophyticus
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details | 
| 1 | VAPOR DIFFUSION | 7 | 294 | 3M sodium formate, 275mM sodium thiocyanate, pH 7.0, Vapor diffusion, temperature 294K | 
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content | 
| 2.18 | 43.49 | 
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) | 
| a = 81.146 | α = 90 | 
| b = 106.634 | β = 112.17 | 
| c = 68.183 | 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 | MAR CCD 165 mm | 2008-08-02 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline | 
| 1 | SYNCHROTRON | APS BEAMLINE 31-ID | 0.97958 | APS | 31-ID | 
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | R Sym 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 | 2 | 19.749 | 99.7 | 0.103 | 0.103 | 12.3 | 5.1 | 36225 | 36116 | 28.1 | |||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||
| 1 | 2 | 2.11 | 99.4 | 0.587 | 0.587 | 2.8 | 5.1 | 5227 | |||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | 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 | SAD | THROUGHOUT | 2 | 19.749 | 36225 | 36098 | 1842 | 99.65 | 0.214 | 0.212 | 0.21 | 0.259 | 0.26 | RANDOM | 39.625 | ||||
| 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] | |
| -1.78 | 0.03 | 1.62 | 0.18 | |||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation | 
| r_dihedral_angle_2_deg | 39.528 | 
| r_dihedral_angle_4_deg | 22.713 | 
| r_dihedral_angle_3_deg | 16.631 | 
| r_dihedral_angle_1_deg | 5.978 | 
| r_scangle_it | 3.925 | 
| r_scbond_it | 2.656 | 
| r_mcangle_it | 1.65 | 
| r_angle_refined_deg | 1.542 | 
| r_mcbond_it | 1.012 | 
| r_nbtor_refined | 0.312 | 
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number | 
| Protein Atoms | 3691 | 
| Nucleic Acid Atoms | |
| Solvent Atoms | 119 | 
| Heterogen Atoms | 12 | 
Software
| Software | |
|---|---|
| Software Name | Purpose | 
| SCALA | data scaling | 
| REFMAC | refinement | 
| PDB_EXTRACT | data extraction | 
| MAR345 | data collection | 
| MOSFLM | data reduction | 
| SHELXCD | phasing | 
| SHELXE | model building | 














