4MLV
Crystal Structure of Bacillus megaterium porphobilinogen deaminase
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 298 | 0.1M sodium cacodylate, 0.2M magnesium acetate, 25-30% PEG 8K, pH 6.5 - 6.8, VAPOR DIFFUSION, HANGING DROP, temperature 298.0K | |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.47 | 50.2 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 53.32 | α = 90 |
| b = 65.78 | β = 90 |
| c = 97.21 | 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 | PIXEL | PSI PILATUS 6M | 2013-03-02 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | DIAMOND BEAMLINE I03 | 0.976 | Diamond | I03 |
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 | 1.455 | 48.6 | 100 | 0.061 | 14.4 | 6.2 | 60772 | 60772 | |||||||||||
| 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 | 1.455 | 1.53 | 100 | 0.559 | 3 | 6 | |||||||||||||
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 (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | |||||
| X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | PDB ENTRY 1PDA | 1.455 | 46.75 | 60772 | 57626 | 3073 | 99.98 | 0.14331 | 0.14112 | 0.18559 | RANDOM | 23.972 | |||||
| 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] | |
| -0.01 | 0.01 | |||||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 37.127 |
| r_sphericity_free | 25.619 |
| r_dihedral_angle_4_deg | 22.985 |
| r_dihedral_angle_3_deg | 13.854 |
| r_sphericity_bonded | 11.816 |
| r_rigid_bond_restr | 8.154 |
| r_dihedral_angle_1_deg | 6.369 |
| r_scbond_other | 5.689 |
| r_scbond_it | 5.685 |
| r_scangle_other | 5.589 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 2253 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 325 |
| Heterogen Atoms | 65 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| GDA | data collection |
| MOLREP | phasing |
| REFMAC | refinement |
| MOSFLM | data reduction |
| SCALA | data scaling |
