Crystal structure of catechol 1,2-dioxygenase from Rhodococcus opacus 1CP in complex with 4-methylcatechol
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 3HGI | pdb entry 3HGI |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 7.5 | 296 | 39% PEG 400, 0.1 M Hepes, 0.1 M magnesium chloride, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 296K |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 1.99 | 38.27 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 88.2 | α = 90 |
| b = 37.363 | β = 95.82 |
| c = 74.702 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | C 1 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 | CCD | MAR CCD 165 mm | 2007-01-01 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | ELETTRA BEAMLINE 5.2R | 1.0 | ELETTRA | 5.2R |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | R Sym 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 | 1.8 | 74.3 | 99.8 | 0.085 | 0.085 | 12.2 | 3.5 | 22751 | |||||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||
| 1.8 | 1.9 | 100 | 0.234 | 0.234 | 3.6 | 3.1 | 3317 | ||||||||||||
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 | FOURIER SYNTHESIS | THROUGHOUT | pdb entry 3HGI | 1.8 | 20 | 21564 | 1164 | 99.74 | 0.20524 | 0.20247 | 0.2 | 0.25507 | 0.25 | RANDOM | 24.448 | ||||
| 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] | |
| 1.15 | 0.16 | -0.44 | -0.68 | |||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 30.993 |
| r_dihedral_angle_4_deg | 21.416 |
| r_dihedral_angle_3_deg | 12.319 |
| r_dihedral_angle_1_deg | 5.896 |
| r_scangle_it | 4.675 |
| r_scbond_it | 2.982 |
| r_mcangle_it | 1.843 |
| r_angle_refined_deg | 1.632 |
| r_mcbond_it | 1.066 |
| r_chiral_restr | 0.121 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 1988 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 161 |
| Heterogen Atoms | 52 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| MAR345dtb | data collection |
| REFMAC | refinement |
| MOSFLM | data reduction |
| SCALA | data scaling |














