Crystal structure of putative isopropylamlate dehydrogenase from Campylobacter jejuni
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 7 | 297 | 25%PEG3350, 0.2M Na Chloride, 0.1MHEPES, pH 7, VAPOR DIFFUSION, HANGING DROP, temperature 297K |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.86 | 57.02 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 74.794 | α = 90 |
| b = 74.794 | β = 90 |
| c = 163.787 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | P 43 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 315r | 2011-07-06 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | APS BEAMLINE 19-ID | 0.9772 | APS | 19-ID |
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 | 2.3 | 50 | 99.7 | 0.063 | 0.063 | 40.9 | 7.8 | 21382 | 21382 | -3 | 57.9 | ||||||||
| 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 | 2.3 | 2.34 | 99.1 | 0.595 | 0.595 | 3.7 | 7.8 | 1051 | |||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (All) | 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 | none | 2.3 | 50 | 20207 | 20207 | 1091 | 99.64 | 0.17836 | 0.17836 | 0.17633 | 0.18 | 0.21718 | 0.22 | RANDOM | 54.211 | ||
| 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] | |
| 2.94 | 2.94 | -5.88 | ||||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 36.863 |
| r_dihedral_angle_4_deg | 16.918 |
| r_dihedral_angle_3_deg | 15.71 |
| r_dihedral_angle_1_deg | 6.387 |
| r_angle_refined_deg | 1.786 |
| r_angle_other_deg | 0.987 |
| r_chiral_restr | 0.099 |
| r_bond_refined_d | 0.018 |
| r_gen_planes_refined | 0.008 |
| r_bond_other_d | 0.006 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 2723 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 92 |
| Heterogen Atoms | 28 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| HKL-3000 | data collection |
| HKL-3000 | phasing |
| SHELXD | phasing |
| SHELXE | model building |
| DM | model building |
| MLPHARE | phasing |
| RESOLVE | model building |
| CCP4 | model building |
| ARP/wARP | model building |
| REFMAC | refinement |
| Coot | model building |
| HKL-3000 | data reduction |
| HKL-3000 | data scaling |
| DM | phasing |
| RESOLVE | phasing |
| CCP4 | phasing |














