4ACS
Crystal structure of mutant GST A2-2 with enhanced catalytic efficiency with azathioprine
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 2WJU | PDB ENTRY 2WJU |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 7.8 | CRYSTALS WERE GROWN BY HANING DROP METHOD BY MIXING EQUAL VOLUMES (4 UL) OF PROTEIN (10 MG/ML)AND GLUTATHIONE S-CONJUGATE (5 MM) MIXTURE AND RESERVOIR SOLUTION CONTAINING 9-14% PEG 4000 AND 2 MM DTT IN 100 MM TRIS-HCL (PH 7.8) WITH ADDITIONAL OCTYL D-BETA- GLUCOPYRANOSIDE TO A FINAL CONCENTRATION OF 0.1% (W/V) | |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.6 | 54 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 48.66 | α = 90 |
| b = 94.8 | β = 92.77 |
| c = 113.72 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | P 1 21 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 | 2010-07-14 | M | SINGLE WAVELENGTH | |||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | ESRF | ESRF | ID14-2 | |
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 | 2.1 | 38 | 93 | 0.12 | 5.1 | 3.2 | 55710 | 2.6 | 13 | ||||||||||
| 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 | 2.1 | 2.2 | 77 | 0.29 | 2.6 | 2.9 | |||||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | 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 | PDB ENTRY 2WJU | 2.1 | 40 | 52867 | 2820 | 92.39 | 0.26425 | 0.26117 | 0.26 | 0.32107 | 0.32 | RANDOM | 16.155 | ||||
| Temperature Factor Modeling | ||||||
|---|---|---|---|---|---|---|
| Anisotropic B[1][1] | Anisotropic B[1][3] | Anisotropic B[2][2] | Anisotropic B[3][3] | |||
| 3.5 | 1.78 | -1.59 | -1.91 | |||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 38.677 |
| r_dihedral_angle_3_deg | 19.135 |
| r_dihedral_angle_4_deg | 17.179 |
| r_dihedral_angle_1_deg | 6.557 |
| r_angle_refined_deg | 1.575 |
| r_chiral_restr | 0.106 |
| r_bond_refined_d | 0.01 |
| r_gen_planes_refined | 0.007 |
| r_bond_other_d | |
| r_angle_other_deg | |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 7070 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 515 |
| Heterogen Atoms | 80 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| REFMAC | refinement |
| MOSFLM | data reduction |
| SCALA | data scaling |
| MOLREP | phasing |
