6ST4
Crystal structure of the tick chemokine-binding protein Evasin-4 (SG 1)
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 291 | 40% ethylene glycol, 0.2 M (NH4)2SO4, 0.1 M Phosphate-citrate pH 4.2 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.45 | 49.84 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 67.999 | α = 90 |
b = 67.999 | β = 90 |
c = 41.575 | γ = 120 |
Symmetry | |
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Space Group | P 32 2 1 |
Diffraction
Diffraction Experiment | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 100 | PIXEL | DECTRIS PILATUS 6M-F | 2018-08-27 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ESRF BEAMLINE ID29 | 0.9772 | ESRF | ID29 |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | CC (Half) | 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 | 1.29 | 58.89 | 99.99 | 0.143 | 0.99 | 8.6 | 9.6 | 28221 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||
1 | 1.29 | 1.32 | 0.1511 | 0.552 |
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 | R-Free | R-Free Selection Details | Mean Isotropic B | |||||||
X-RAY DIFFRACTION | SAD | THROUGHOUT | 1.29 | 58.89 | 26769 | 1452 | 99.98 | 0.179 | 0.1781 | 0.1943 | RANDOM | 29.285 |
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] | |
-0.47 | -0.24 | -0.47 | 1.54 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 32.379 |
r_dihedral_angle_3_deg | 8.932 |
r_dihedral_angle_4_deg | 7.656 |
r_dihedral_angle_1_deg | 7.072 |
r_rigid_bond_restr | 6.631 |
r_angle_refined_deg | 1.82 |
r_angle_other_deg | 1.643 |
r_chiral_restr | 0.092 |
r_bond_other_d | 0.016 |
r_bond_refined_d | 0.015 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 661 |
Nucleic Acid Atoms | |
Solvent Atoms | 65 |
Heterogen Atoms | 24 |
Software
Software | |
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Software Name | Purpose |
Aimless | data scaling |
MOLREP | phasing |
SHELXDE | phasing |
REFMAC | refinement |
PDB_EXTRACT | data extraction |
DIALS | data reduction |