5IJQ
Crystal structure of autotaxin (ENPP2) re-refined
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 2GSN |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 8 | 293 | Protein buffer: 3.5-5.0 mg/ml autotaxin in 50 mM Tris pH 8.0 and 150 mM NaCl Crystallization condition: 20% PEG 3350, 0.2 M ammonium iodide, 0.3 M sodium thiocyanate |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.2 | 45 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 53.808 | α = 98.78 |
b = 63.289 | β = 106.22 |
c = 70.471 | γ = 99.77 |
Symmetry | |
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Space Group | P 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 | 100 | CCD | MARMOSAIC 300 mm CCD | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 23-ID-D | 1.283 | APS | 23-ID-D |
Data Collection
Overall | |||||||||||||||||||
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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 | 2.05 | 20 | 96.8 | 0.1 | 13.9 | 4.8 | 52153 | 30.2 |
Highest Resolution Shell | |||||||||||||||||||
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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 | 2.05 | 2.12 | 93.9 | 0.38 | 2.49 | 3 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | 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 | MOLECULAR REPLACEMENT | THROUGHOUT | 2GSN | 2.05 | 20 | 45374 | 2386 | 88.53 | 0.1562 | 0.154 | 0.1974 | RANDOM | 42.438 |
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] | |
0.83 | -0.24 | 0.85 | -0.08 | -0.27 | -0.83 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_sphericity_bonded | 37.045 |
r_sphericity_free | 33.959 |
r_dihedral_angle_2_deg | 33.349 |
r_dihedral_angle_4_deg | 15.746 |
r_dihedral_angle_3_deg | 11.711 |
r_dihedral_angle_1_deg | 6.171 |
r_mcangle_it | 3.68 |
r_mcbond_it | 2.562 |
r_mcbond_other | 2.542 |
r_angle_refined_deg | 1.36 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 6329 |
Nucleic Acid Atoms | |
Solvent Atoms | 290 |
Heterogen Atoms | 121 |
Software
Software | |
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Software Name | Purpose |
SCALEPACK | data scaling |
PHASER | phasing |
REFMAC | refinement |
PDB_EXTRACT | data extraction |
Coot | model building |
DENZO | data reduction |