8PZ4
Structure of alginate transporter, AlgE, solved at wavelength 2.755 A
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | LIPIDIC CUBIC PHASE | 7.5 | 293 | 0.1 M TRIS-HCL, PH 7.5, 0.1 M SODIUM CITRATE, 18 %(W/V) PEG 400. PROTEIN WAS MIXED WITH 7.8 MAG AT RATIO 1:1 (W:W) TO FORM CUBIC PHASE. |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.26 | 45.69 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 57.35 | α = 90 |
b = 74.69 | β = 102.48 |
c = 115.9 | γ = 90 |
Symmetry | |
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Space Group | C 1 2 1 |
Diffraction
Diffraction Experiment | ||||||||||||||
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ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 80 | PIXEL | DECTRIS PILATUS 12M | 2017-08-08 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | DIAMOND BEAMLINE I23 | 2.755 | Diamond | I23 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (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 | 1.77 | 56.58 | 96.76 | 0.999 | 27.32 | 26.7 | 88023 | 23.7 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
1 | 1.77 | 1.833 | 0.903 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work | R-Free | Mean Isotropic B | |||||||
X-RAY DIFFRACTION | SAD | FREE R-VALUE | 1.77 | 56.58 | 1.37 | 88023 | 3998 | 96.14 | 0.1897 | 0.1877 | 0.2339 | 30.43 |
Temperature Factor Modeling | ||||||
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Anisotropic B[1][1] | Anisotropic B[1][2] | Anisotropic B[1][3] | Anisotropic B[2][2] | Anisotropic B[2][3] | Anisotropic B[3][3] | |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
f_dihedral_angle_d | 16.866 |
f_angle_d | 0.9738 |
f_chiral_restr | 0.0602 |
f_plane_restr | 0.0071 |
f_bond_d | 0.0068 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 3683 |
Nucleic Acid Atoms | |
Solvent Atoms | 189 |
Heterogen Atoms | 286 |
Software
Software | |
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Software Name | Purpose |
PHENIX | refinement |
XDS | data reduction |
XSCALE | data scaling |
SHELXDE | phasing |