4BNX
Crystal structure of 3-oxoacyl-(acyl-carrier-protein) reductase (FabG) from Pseudomonas aeruginosa in complex with 6-(4-(2-chloroanilino)- 1H-quinazolin-2-ylidene)cyclohexa-2, 4-dien-1-one at 2.3A resolution
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 4BNW | PDB ENTRY 4BNW |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | 8 | 0.1 M MIB BUFFER PH 8.0, 25% (W/V) PEG1500, 1 MM 6-(4-(2-CHLOROANILINO)-1H-QUINAZOLIN-2-YLIDENE)CYCLOHEXA-2, 4-DIEN-1-ONE, FINAL PROTEIN CONCENTRATION 6.7 MG/ML | ||
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.46 | 49.96 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 109.43 | α = 90 |
| b = 140.92 | β = 90 |
| c = 143.21 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | I 2 2 2 |
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 | DECTRIS PILATUS 6M | MIRRORS | 2012-07-25 | M | SINGLE WAVELENGTH | |||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | ESRF BEAMLINE ID29 | ESRF | ID29 | |
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 | 2.3 | 50.22 | 99.2 | 0.1 | 7.8 | 4.4 | 49007 | -3 | 34.6 | ||||||||||
| 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 | 2.3 | 2.38 | 97.7 | 0.5 | 2.4 | 4 | |||||||||||||
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 | R-Free | R-Free Selection Details | Mean Isotropic B | ||||||
| X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | PDB ENTRY 4BNW | 2.3 | 50.27 | 46523 | 2482 | 99.07 | 0.21483 | 0.21278 | 0.25452 | RANDOM | 52.293 | ||||||
| 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] | |
| -3.04 | -1.61 | 4.65 | ||||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 40.431 |
| r_dihedral_angle_4_deg | 17.896 |
| r_dihedral_angle_3_deg | 14.925 |
| r_dihedral_angle_1_deg | 5.348 |
| r_angle_refined_deg | 1.531 |
| r_angle_other_deg | 1.336 |
| r_chiral_restr | 0.077 |
| r_bond_refined_d | 0.013 |
| r_gen_planes_refined | 0.008 |
| r_bond_other_d | 0.007 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 6987 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 89 |
| Heterogen Atoms | 50 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| REFMAC | refinement |
| iMOSFLM | data reduction |
| SCALA | data scaling |
| PHASER | phasing |
