CRYSTAL STRUCTURE OF PUTATIVE ARGINYL T-RNA SYNTHETASE FROM Campylobacter jejuni;
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 5.5 | 294 | 100 MM BIS-TRIS, 200 MM AMMONIUM SULFATE, 25% (V/V) PEG3350, 10% GLYCEROL, PH 5.5, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 294K |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 3.27 | 62.38 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 106.595 | α = 90 |
| b = 106.595 | β = 90 |
| c = 210.017 | γ = 120 |
| Symmetry | |
|---|---|
| Space Group | P 61 2 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 315 | 2008-12-07 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | APS BEAMLINE 24-ID-C | APS | 24-ID-C | |
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 | 2.2 | 50 | 100 | 0.081 | 5.7 | 9.3 | 36585 | -5 | |||||||||||
| 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 | 2.2 | 2.3 | 100 | 0.89 | 1.9 | 9.2 | |||||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | 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 | SAD | THROUGHOUT | 2.2 | 20 | 35348 | 1137 | 99.93 | 0.2151 | 0.21375 | 0.21 | 0.25785 | 0.25 | RANDOM | 54.202 | |||||
| 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] | |
| 1.36 | 0.68 | 1.36 | -2.04 | |||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 38.054 |
| r_dihedral_angle_3_deg | 18.199 |
| r_dihedral_angle_4_deg | 14.436 |
| r_scangle_it | 8.342 |
| r_scbond_it | 5.763 |
| r_dihedral_angle_1_deg | 4.863 |
| r_mcangle_it | 4.753 |
| r_mcbond_it | 3.167 |
| r_angle_refined_deg | 1.116 |
| r_nbtor_refined | 0.298 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 3593 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 152 |
| Heterogen Atoms | 26 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| SHELX | model building |
| REFMAC | refinement |
| SHELX | phasing |














