2BSH
Crystal structure of the type III secretion chaperone SycT from Yersinia enterocolitica (crystal form 2)
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 277 | 1.8 M AMMONIUM SULFATE, 0.1 M SODIUM BICARBONATE PH 10.5, 50 MM MAGNESIUM CHLORIDE HANGING-DROP VAPOR DIFFUSION AT 4 CELSIUS DEGREE |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.21 | 45 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 92.04 | α = 90 |
b = 92.04 | β = 90 |
c = 55.37 | γ = 120 |
Symmetry | |
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Space Group | P 62 |
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 | MARRESEARCH | 2004-09-03 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | BESSY BEAMLINE 14.1 | BESSY | 14.1 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (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 | 1.9 | 79.81 | 99.5 | 16.6 | 11.2 | 21134 |
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 | 1.9 | 2 | 96.4 | 0.4 | 0.07 | 5.53 | 11.2 |
Refinement
Statistics | |||||||||||||||||||
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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 | R-Free | R-Free Selection Details | Mean Isotropic B | |||||||
X-RAY DIFFRACTION | SAD | THROUGHOUT | 1.9 | 79.81 | 20049 | 1085 | 100 | 0.176 | 0.174 | 0.22 | RANDOM | 23.26 |
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] | |
-0.73 | -0.37 | -0.73 | 1.1 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 38.971 |
r_dihedral_angle_4_deg | 19.209 |
r_dihedral_angle_3_deg | 13.936 |
r_dihedral_angle_1_deg | 7.011 |
r_scangle_it | 3.646 |
r_mcangle_it | 3.388 |
r_scbond_it | 2.751 |
r_mcbond_it | 2.289 |
r_angle_refined_deg | 1.875 |
r_nbtor_refined | 0.323 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 1941 |
Nucleic Acid Atoms | |
Solvent Atoms | 139 |
Heterogen Atoms |
Software
Software | |
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Software Name | Purpose |
XDS | data reduction |
XDS | data scaling |
SHELX | phasing |
CDE | phasing |
REFMAC | refinement |