Crystal structure of Glutaredoxin 1 from Plasmodium falciparum (PfGrx1) solved by S-SAD
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 7.5 | 293 | 12.5% w/v PEG1000, 12.5% w/v PEG3350, 12.5% v/v MPD, 0.02 M amino acids, 0.1 M MOPS/HEPES sodium, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.22 | 44.52 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 48.092 | α = 90 |
| b = 48.092 | β = 90 |
| c = 82.594 | γ = 120 |
| Symmetry | |
|---|---|
| Space Group | P 32 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 | IMAGE PLATE | MAR scanner 345 mm plate | 2011-08-19 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | ROTATING ANODE | RIGAKU MICROMAX-007 | 1.5418 | ||
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 | 1.5462 | 50 | 99.01 | 0.049 | 91.2 | 19 | 16595 | 16572 | 2 | 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 | 1.5462 | 1.6 | 83.9 | 0.257 | 13.2 | ||||||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | 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) | Mean Isotropic B | |||||
| X-RAY DIFFRACTION | SAD | 1.5462 | 24.046 | 1.36 | 16595 | 16568 | 839 | 99.05 | 0.1495 | 0.148 | 0.15 | 0.1787 | 0.18 | 17.5799 | |||||
| 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] | |
| -0.16 | -0.08 | -0.16 | 0.24 | |||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| f_dihedral_angle_d | 13.815 |
| f_angle_d | 1.093 |
| f_chiral_restr | 0.073 |
| f_bond_d | 0.006 |
| f_plane_restr | 0.004 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 832 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 171 |
| Heterogen Atoms | 20 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| PHENIX | refinement |
| REFMAC | refinement |
| PDB_EXTRACT | data extraction |
| MAR345dtb | data collection |
| HKL-2000 | data reduction |
| HKL-2000 | data scaling |
| SHELXD | phasing |
| SHELX | phasing |














