Structural characterization of a bacterial 6PDH reveals aspects of specificity, mechanism and mode of inhibition
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details | 
| experimental model | PDB | 2PGD | PDB ENTRY 2PGD | 
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details | 
| 1 | 7.2 | 25% PEG 3350, 300MM AMMONIUM ACCETATE, 0.1M SODIUM CACODYLATE, pH 7.20 | ||
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content | 
| 2.3 | 46 | 
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) | 
| a = 60.582 | α = 90 | 
| b = 60.582 | β = 90 | 
| c = 243.128 | γ = 120 | 
| Symmetry | |
|---|---|
| Space Group | P 32 1 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 | IMAGE PLATE | RIGAKU RAXIS IV | OSMIC MIRRORS | 2004-02-05 | M | SINGLE WAVELENGTH | |||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline | 
| 1 | ROTATING ANODE | RIGAKU MICROMAX-007 | |||
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 | 2.4 | 20 | 96 | 0.06 | 13.7 | 5.5 | 19558 | ||||||||||||
| 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 | 2.4 | 2.5 | 75 | 0.15 | 6.7 | 2.2 | |||||||||||||
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 | PDB ENTRY 2PGD | 2.4 | 19.83 | 18555 | 1003 | 96 | 0.162 | 0.159 | 0.16 | 0.221 | 0.22 | RANDOM | 27.6 | ||||
| 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 | 
| r_dihedral_angle_2_deg | 39.893 | 
| r_dihedral_angle_4_deg | 17.345 | 
| r_dihedral_angle_3_deg | 16.757 | 
| r_dihedral_angle_1_deg | 5.213 | 
| r_scangle_it | 1.978 | 
| r_scbond_it | 1.204 | 
| r_angle_refined_deg | 1.155 | 
| r_mcangle_it | 0.829 | 
| r_mcbond_it | 0.48 | 
| r_nbtor_refined | 0.3 | 
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number | 
| Protein Atoms | 3672 | 
| Nucleic Acid Atoms | |
| Solvent Atoms | 313 | 
| Heterogen Atoms | 22 | 
Software
| Software | |
|---|---|
| Software Name | Purpose | 
| REFMAC | refinement | 
| DENZO | data reduction | 
| SCALEPACK | data scaling | 
| AMoRE | phasing | 














