Crystal structure of Short-chain dehydrogenase/reductase SDR:Glucose/ribitol dehydrogenase from Brucella melitensis
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 2P68 | PDB entry 2p68 |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 8.5 | 290 | Molecular Dimensions Morpheus screen D12: 12.5% w/v PEG 1000, 12.5% w/v PEG 3350, 12.5% v/v MPD; 20mM of each 1,6-hexanediol, 1-butanol, (RS)-1,2- propanediol, 2-propanol, 1,4-butanediol, 1,3-propanediol; 0.1 M bicine/Trizma base pH 8.5; BrabA.00010.d.A1.PS00356 at 21.7 mg/ml+ 5mM NAD; cryo: direct; tray 272553d12, puck vkb7-2 |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.14 | 42.5 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 64.85 | α = 90 |
| b = 108.15 | β = 103.12 |
| c = 65.66 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | P 1 21 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 | RIGAKU SATURN 944+ | RIGAKU VARIMAX | 2016-06-15 | M | SINGLE WAVELENGTH | |||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | ROTATING ANODE | RIGAKU FR-E+ SUPERBRIGHT | 1.5418 | ||
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | CC (Half) | 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 | 1.95 | 50 | 99.2 | 0.058 | 0.999 | 19.6 | 6.3 | 63730 | -3 | 26.5 | |||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||
| 1 | 1.95 | 2 | 98.7 | 0.496 | 0.808 | 2.53 | |||||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Cross Validation 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 | FREE R-VALUE | PDB entry 2p68 | 1.95 | 50 | 1.34 | 63727 | 2011 | 99.23 | 0.1759 | 0.1745 | 0.17 | 0.2187 | 0.22 | 37.6008 | ||||
| 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 | 11.485 |
| f_angle_d | 0.94 |
| f_chiral_restr | 0.056 |
| f_bond_d | 0.007 |
| f_plane_restr | 0.006 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 7019 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 441 |
| Heterogen Atoms | 212 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| XSCALE | data scaling |
| MOLREP | phasing |
| PHENIX | refinement |
| PDB_EXTRACT | data extraction |
| XDS | data scaling |
| ARP | model building |
| Coot | model building |
| XDS | data reduction |














