Crystal structure of serine bound G336V,G337V double mutant of E.coli phosphoglycerate dehydrogenase
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 1PSD | pdb entry 1PSD |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 4.5 | 291 | 30% PEG 400, 0.1M acetate, 0.2M Calcium acetate, pH 4.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.82 | 56.41 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 144.072 | α = 90 |
| b = 132.239 | β = 90 |
| c = 52.37 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | P 21 21 2 |
Diffraction
| Diffraction Experiment | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
| 1 | 1 | x-ray | IMAGE PLATE | RIGAKU RAXIS IV | monochromator | 2006-05-09 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | ROTATING ANODE | OTHER | 1.541 | ||
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 | 2.8 | 40.32 | 99.5 | 0.052 | 20.1 | 3.3 | 25289 | ||||||||||||
| 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 | 2.8 | 2.95 | 100 | 0.207 | 4.8 | 3.3 | |||||||||||||
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 1PSD | 2.8 | 35 | 23997 | 1285 | 99.2 | 0.20004 | 0.19737 | 0.1908 | 0.25008 | 0.2509 | RANDOM | 44.721 | ||||
| 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] | |
| -3.14 | -3 | 6.14 | ||||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 36.971 |
| r_dihedral_angle_4_deg | 23.879 |
| r_dihedral_angle_3_deg | 18.899 |
| r_scbond_it | 8.101 |
| r_dihedral_angle_1_deg | 6.421 |
| r_mcangle_it | 6.244 |
| r_mcbond_it | 4.074 |
| r_angle_refined_deg | 1.869 |
| r_nbtor_refined | 0.344 |
| r_nbd_refined | 0.274 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 6130 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 49 |
| Heterogen Atoms | 102 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| REFMAC | refinement |
| CrystalClear | data collection |
| MOSFLM | data reduction |
| CCP4 | data scaling |
| PHASER | phasing |














