1.2 Angstrom Crystal Structure of the Glutaredoxin 2 (grxB) from Salmonella typhimurium in complex with Glutathione
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 5.6 | 295 | Protein solution: 0.3M Sodium chloride, 10mM HEPES (pH 7.5); Screen solution: 0.1M Sodium citrate (pH 5.6), 2M Ammonium sulphate, 0.2M Sodium-Potassium tartrate, 5mM Glutathione, 4% (w/v) Sucrose; Cryo solution: paratone, VAPOR DIFFUSION, HANGING DROP, temperature 295K |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.12 | 42.05 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 41.24 | α = 90 |
| b = 58.76 | β = 90 |
| c = 87.93 | 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 | 100 | CCD | MARMOSAIC 300 mm CCD | Mirrors | 2009-08-16 | M | SINGLE WAVELENGTH | |||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | APS BEAMLINE 21-ID-D | 1.07810 | APS | 21-ID-D |
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 | 1.2 | 30 | 98.7 | 0.079 | 14.93 | 5.73 | 66655 | 66655 | -3 | 6.7 | |||||||||
| 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 | 1.2 | 1.22 | 96.7 | 0.496 | 4.04 | 5.46 | 3133 | ||||||||||||
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 (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 | SAD | THROUGHOUT | 1.2 | 27.87 | 63340 | 63340 | 3315 | 98.65 | 0.11808 | 0.11808 | 0.11671 | 0.1162 | 0.14426 | 0.1436 | RANDOM | 6.29 | |||
| 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] | |
| -0.28 | 0.15 | 0.14 | ||||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 37.367 |
| r_dihedral_angle_4_deg | 13.454 |
| r_dihedral_angle_3_deg | 10.531 |
| r_dihedral_angle_1_deg | 4.801 |
| r_scangle_it | 4.689 |
| r_scbond_it | 3.281 |
| r_mcangle_it | 2.032 |
| r_rigid_bond_restr | 1.62 |
| r_angle_refined_deg | 1.502 |
| r_mcbond_it | 1.449 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 1740 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 489 |
| Heterogen Atoms | 36 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| Blu-Ice | data collection |
| CRANK | phasing |
| REFMAC | refinement |
| XDS | data reduction |
| XDS | data scaling |














