5U1W
Crystal structure of the ATP-gated P2X7 ion channel bound to allosteric antagonist AZ10606120
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 5U1U | A740003 bound P2X7 |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 277 | 100 mM HEPES or Tris (pH 6.0-7.5), 100 mM NaCl, 4% ethylene glycol, 15% glycerol, 27-32% PEG-400 or 31-36% PEG-300, 0.1 mg/mL lipid mixture (60% POPE, 20% POPG, and 20% cholesterol), and 1 mM AZ10606120 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
5.35 | 76.99 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 170.736 | α = 90 |
b = 170.736 | β = 90 |
c = 170.736 | γ = 90 |
Symmetry | |
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Space Group | I 21 3 |
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 | PIXEL | DECTRIS PILATUS3 S 6M | 2015-06-24 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | CHESS BEAMLINE F1 | 0.9782 | CHESS | F1 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | Rpim I (All) | 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 | 3.5 | 49.29 | 99.9 | 0.169 | 0.178 | 0.056 | 0.997 | 10.8 | 10.1 | 10609 | 134.07 |
Highest Resolution Shell | |||||||||||||||||||
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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 | 3.5 | 3.84 | 100 | 1.671 | 0.589 | 10.1 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | 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 | MOLECULAR REPLACEMENT | FREE R-VALUE | A740003 bound P2X7 | 3.501 | 45.631 | 1.35 | 10599 | 1170 | 99.89 | 0.248 | 0.2452 | 0.2697 | 114.931 |
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 | 13.941 |
f_angle_d | 0.662 |
f_chiral_restr | 0.047 |
f_plane_restr | 0.005 |
f_bond_d | 0.004 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2367 |
Nucleic Acid Atoms | |
Solvent Atoms | |
Heterogen Atoms | 87 |
Software
Software | |
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Software Name | Purpose |
Aimless | data scaling |
PHASER | phasing |
PHENIX | refinement |
PDB_EXTRACT | data extraction |
XSCALE | data scaling |