The refined structure of catalase DR1998 from Deinococcus radiodurans at 2.6 A resolution
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 2J2M | LOOPS TRUNCATE ENSEMBLE OF PDB ENTRIES 2J2M, 1GWE, 2IUF, 1DGF, 1SY7, 1M7S |
| experimental model | PDB | 1GWE | LOOPS TRUNCATE ENSEMBLE OF PDB ENTRIES 2J2M, 1GWE, 2IUF, 1DGF, 1SY7, 1M7S |
| experimental model | PDB | 2IUF | LOOPS TRUNCATE ENSEMBLE OF PDB ENTRIES 2J2M, 1GWE, 2IUF, 1DGF, 1SY7, 1M7S |
| experimental model | PDB | 1DGF | LOOPS TRUNCATE ENSEMBLE OF PDB ENTRIES 2J2M, 1GWE, 2IUF, 1DGF, 1SY7, 1M7S |
| experimental model | PDB | 1SY7 | LOOPS TRUNCATE ENSEMBLE OF PDB ENTRIES 2J2M, 1GWE, 2IUF, 1DGF, 1SY7, 1M7S |
| experimental model | PDB | 1M7S | LOOPS TRUNCATE ENSEMBLE OF PDB ENTRIES 2J2M, 1GWE, 2IUF, 1DGF, 1SY7, 1M7S |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 6.5 | 298 | PROTEIN WAS CRYSTALLIZED AT 298K, FROM 0.2M MAGNESIUM ACETATE, 0.1 NA-CACODYLATE PH 6.5 AND 20% PEG 8000. |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.28 | 46.2 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 97.326 | α = 90 |
| b = 311.875 | β = 90 |
| c = 145.628 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | C 2 2 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 | DECTRIS PILATUS 6M | TOROIDAL MIRROR | 2012-05-26 | 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 | 2.6 | 49.4 | 99.3 | 0.31 | 5.34 | 5.2 | 68047 | ||||||||||||
| 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 | 2.6 | 2.76 | 97.5 | 0.84 | 1.7 | 4.57 | |||||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Starting model | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | 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) | Mean Isotropic B | |||||
| X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | LOOPS TRUNCATE ENSEMBLE OF PDB ENTRIES 2J2M, 1GWE, 2IUF, 1DGF, 1SY7, 1M7S | 2.599 | 49.402 | 1704.59 | 68012 | 97.94 | 0.2363 | 0.2363 | 0.24 | 0.2363 | 0.23 | |||||||
| 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] | |
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| f_dihedral_angle_d | 11.344 |
| f_angle_d | 0.663 |
| f_chiral_restr | 0.024 |
| f_bond_d | 0.006 |
| f_plane_restr | 0.003 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 16296 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 554 |
| Heterogen Atoms | 182 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| PHENIX | refinement |
| XDS | data reduction |
| PHASER | phasing |














