2.6 Angstrom Structure of the Extracellular Solute-binding Protein from Staphylococcus aureus in complex with PEG.
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 2ZYO | PDB ENTRY 2ZYO |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 8.3 | 295 | Protein: 7.4mg/mL, 0.25M Sodium cloride, 0.01M Tris-HCl pH 8.3; Screen: JCSG+ (B12), 0.2M tri-Potassium citrate pH 8.3, 20% (w/v) PEG 3350, VAPOR DIFFUSION, SITTING DROP, temperature 295K |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 3 | 58.95 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 101.863 | α = 90 |
| b = 101.863 | β = 90 |
| c = 191.341 | γ = 120 |
| Symmetry | |
|---|---|
| Space Group | P 65 |
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 | Beryllium lenses | 2012-10-18 | 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 | 2.6 | 30 | 98.8 | 0.09 | 17.7 | 5.4 | 34117 | 34117 | -3 | 57.5 | |||||||||
| 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 | 2.6 | 2.64 | 99.6 | 0.644 | 3 | 5.4 | 1701 | ||||||||||||
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 (All) | 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 | PDB ENTRY 2ZYO | 2.6 | 29.99 | 32393 | 32393 | 1721 | 98.99 | 0.17003 | 0.17003 | 0.16742 | 0.17 | 0.21933 | 0.21 | RANDOM | 39.585 | ||
| 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] | |
| 3.05 | 1.52 | 3.05 | -4.57 | |||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 34.756 |
| r_dihedral_angle_3_deg | 11.515 |
| r_dihedral_angle_4_deg | 10.949 |
| r_scangle_it | 5.358 |
| r_scbond_it | 3.393 |
| r_dihedral_angle_1_deg | 2.885 |
| r_mcangle_it | 1.979 |
| r_angle_refined_deg | 1.37 |
| r_mcbond_it | 1.044 |
| r_angle_other_deg | 0.805 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 6032 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 291 |
| Heterogen Atoms | 60 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| Blu-Ice | data collection |
| BALBES | phasing |
| REFMAC | refinement |
| HKL-3000 | data reduction |
| HKL-3000 | data scaling |














