Structure of H200Q variant of Homoprotocatechuate 2,3-Dioxygenase from B.fuscum in complex with 4-nitrocatechol at 1.37 Ang resolution
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details | 
| experimental model | PDB | 3OJT | |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details | 
| 1 | VAPOR DIFFUSION, HANGING DROP | 6 | 293 | 14% PEG6000, 0.1M calcium chloride, 0.1M Tris-HCL | 
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content | 
| 2.39 | 48.58 | 
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) | 
| a = 110.18 | α = 90 | 
| b = 150.635 | β = 90 | 
| c = 96.103 | 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 | 100 | CCD | ADSC QUANTUM 210 | 2008-12-06 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline | 
| 1 | SYNCHROTRON | ESRF BEAMLINE ID14-1 | 0.9334 | ESRF | ID14-1 | 
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Sym I (Observed) | Rrim I (All) | Rpim I (All) | 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 | 1.37 | 45.691 | 97.9 | 0.064 | 0.073 | 0.035 | 14.2 | 4.1 | 325847 | 325847 | |||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | R-Sym I (Observed) | Rpim I (All) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||
| 1 | 1.37 | 1.44 | 95.9 | 0.786 | 0.786 | 0.432 | 1 | 4.1 | 46253 | ||||||||||
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 | 3OJT | 1.37 | 40.35 | 309539 | 16249 | 97.69 | 0.1206 | 0.1187 | 0.12 | 0.1567 | 0.16 | RANDOM | 16.321 | ||||
| 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] | |
| -0.03 | -0.1 | 0.14 | ||||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation | 
| r_sphericity_free | 32.275 | 
| r_sphericity_bonded | 10.129 | 
| r_rigid_bond_restr | 1.975 | 
| r_mcangle_it | 1.806 | 
| r_mcbond_it | 1.519 | 
| r_mcbond_other | 1.517 | 
| r_angle_refined_deg | 1.357 | 
| r_angle_other_deg | 0.803 | 
| r_chiral_restr | 0.087 | 
| r_bond_refined_d | 0.009 | 
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number | 
| Protein Atoms | 11519 | 
| Nucleic Acid Atoms | |
| Solvent Atoms | 1955 | 
| Heterogen Atoms | 114 | 
Software
| Software | |
|---|---|
| Software Name | Purpose | 
| REFMAC | refinement | 
| SCALA | data scaling | 
| PDB_EXTRACT | data extraction | 
| XDS | data reduction | 
| MOLREP | phasing | 














