Crystal structure of enteropathogenic E.coli (EPEC) type III secretion system protein EscJ
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION | 8.2 | 291 | di-ammonium hydrogen phosphate, pH 8.2, VAPOR DIFFUSION, temperature 291K |
Crystal Properties | |
---|---|
Matthews coefficient | Solvent content |
3.56 | 65.41 |
Crystal Data
Unit Cell | |
---|---|
Length ( Å ) | Angle ( ˚ ) |
a = 164.817 | α = 90 |
b = 164.817 | β = 90 |
c = 67.179 | γ = 120 |
Symmetry | |
---|---|
Space Group | P 65 |
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 4 | mirrors | 2004-07-16 | M | SINGLE WAVELENGTH | |||||
2 | 1 |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ALS BEAMLINE 8.2.1 | 1.000 | ALS | 8.2.1 |
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 | 1.8 | 41.17 | 99.9 | 0.082 | 5.6 | 96428 | 2 | 2 | 21 |
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 | 1.8 | 1.89 | 99.9 | 0.313 | 4.6 | 5.6 |
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 (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 | 1.8 | 41.2 | 91589 | 4826 | 0.185 | 0.185 | 0.184 | 0.19 | 0.206 | 0.2 | random | 19.8 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
r_angle_refined_deg | 1.232 |
r_angle_other_deg | 0.752 |
r_bond_refined_d | 0.013 |
r_gen_planes_refined | 0.004 |
r_bond_other_d | 0.002 |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | 4709 |
Nucleic Acid Atoms | |
Solvent Atoms | 530 |
Heterogen Atoms | 32 |
Software
Software | |
---|---|
Software Name | Purpose |
REFMAC | refinement |
SCALA | data scaling |
SOLVE | phasing |
CNS | refinement |
CCP4 | data scaling |
MOSFLM | data reduction |