Crystal structure of the Shikimate 5-Dehydrogenase (aroE) from Helicobacter pylori
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 7.5 | 293 | 0.2M magnesium chloride, 35% PEG 3350, 0.1M Tris-HCl, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 45.328 | α = 90 |
| b = 46.181 | β = 99.04 |
| c = 118.702 | 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 | 2 | x-ray | 110 | CCD | ADSC QUANTUM 315r | 2009-01-17 | M | SINGLE WAVELENGTH | ||||||
| 2 | 1 | x-ray | 100 | CCD | ADSC QUANTUM 210r | 2008-07-02 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | NSRRC BEAMLINE BL13B1 | 1.0000 | NSRRC | BL13B1 |
| 2 | SYNCHROTRON | SPRING-8 BEAMLINE BL12B2 | 0.978998 | SPring-8 | BL12B2 |
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 | |||||||
| 1,2 | 1.57 | 30 | 99.5 | 0.064 | 0.064 | 19.8 | 3.8 | 66787 | 1 | 1 | |||||||||
| 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) | ||||||||||
| 1,2 | 1.57 | 1.63 | 90.1 | 0.448 | 0.448 | 2.39 | 3.1 | 6065 | |||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | Number Reflections (All) | 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 | SAD | THROUGHOUT | 1.57 | 23.56 | 66787 | 63407 | 3377 | 98.29 | 0.20162 | 0.19958 | 0.2 | 0.23967 | 0.24 | RANDOM | 18.956 | ||||
| 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] | |
| 1.91 | -0.07 | -0.87 | -1.06 | |||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 37.6 |
| r_dihedral_angle_3_deg | 15.506 |
| r_dihedral_angle_4_deg | 11.376 |
| r_dihedral_angle_1_deg | 5.271 |
| r_scangle_it | 4.786 |
| r_scbond_it | 3.023 |
| r_mcangle_it | 1.915 |
| r_angle_refined_deg | 1.602 |
| r_mcbond_it | 1.054 |
| r_chiral_restr | 0.11 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 4019 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 355 |
| Heterogen Atoms | |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| HKL-2000 | data collection |
| AMoRE | phasing |
| REFMAC | refinement |
| HKL-2000 | data reduction |
| HKL-2000 | data scaling |














