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- PDB-5u1u: Crystal structure of the ATP-gated P2X7 ion channel bound to allo... -
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Basic information
Entry | Database: PDB / ID: 5u1u | |||||||||
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Title | Crystal structure of the ATP-gated P2X7 ion channel bound to allosteric antagonist A740003 | |||||||||
![]() | P2X purinoceptor | |||||||||
![]() | MEMBRANE PROTEIN / membrane protein: ATP-gated ion channel: allosteric antagonist bound: closed state | |||||||||
Function / homology | ![]() NAD transport / phagolysosome assembly / phospholipid transfer to membrane / purinergic nucleotide receptor activity / extracellularly ATP-gated monoatomic cation channel activity / gamma-aminobutyric acid secretion / pore complex assembly / positive regulation of interleukin-1 alpha production / negative regulation of cell volume / plasma membrane organization ...NAD transport / phagolysosome assembly / phospholipid transfer to membrane / purinergic nucleotide receptor activity / extracellularly ATP-gated monoatomic cation channel activity / gamma-aminobutyric acid secretion / pore complex assembly / positive regulation of interleukin-1 alpha production / negative regulation of cell volume / plasma membrane organization / positive regulation of gamma-aminobutyric acid secretion / : / collagen metabolic process / response to fluid shear stress / positive regulation of prostaglandin secretion / T cell apoptotic process / bleb assembly / ceramide biosynthetic process / mitochondrial depolarization / vesicle budding from membrane / positive regulation of T cell apoptotic process / prostaglandin secretion / cellular response to dsRNA / glutamate secretion / positive regulation of glutamate secretion / negative regulation of bone resorption / positive regulation of macrophage cytokine production / skeletal system morphogenesis / phospholipid translocation / negative regulation of MAPK cascade / response to ATP / positive regulation of mitochondrial depolarization / response to zinc ion / T cell homeostasis / synaptic vesicle exocytosis / membrane protein ectodomain proteolysis / protein secretion / positive regulation of bone mineralization / T cell proliferation / response to electrical stimulus / response to mechanical stimulus / extrinsic apoptotic signaling pathway / release of sequestered calcium ion into cytosol / homeostasis of number of cells within a tissue / sensory perception of pain / reactive oxygen species metabolic process / mitochondrion organization / positive regulation of interleukin-1 beta production / positive regulation of protein secretion / lipopolysaccharide binding / protein catabolic process / neuromuscular junction / cell morphogenesis / T cell mediated cytotoxicity / protein processing / response to calcium ion / positive regulation of T cell mediated cytotoxicity / positive regulation of interleukin-6 production / MAPK cascade / cell-cell junction / presynapse / postsynapse / response to lipopolysaccharide / positive regulation of MAPK cascade / defense response to Gram-positive bacterium / response to xenobiotic stimulus / inflammatory response / positive regulation of protein phosphorylation / external side of plasma membrane / neuronal cell body / mitochondrion / ATP binding / identical protein binding Similarity search - Function | |||||||||
Biological species | ![]() ![]() | |||||||||
Method | ![]() ![]() ![]() ![]() | |||||||||
![]() | Karasawa, A. / Kawate, T. | |||||||||
Funding support | ![]()
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![]() | ![]() Title: Structural basis for subtype-specific inhibition of the P2X7 receptor. Authors: Karasawa, A. / Kawate, T. | |||||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 79.7 KB | Display | ![]() |
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PDB format | ![]() | 55.7 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Arichive directory | ![]() ![]() | HTTPS FTP |
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-Related structure data
Related structure data | ![]() 5u1lC ![]() 5u1vC ![]() 5u1wC ![]() 5u1xC ![]() 5u1yC ![]() 5u2hC ![]() 4dw0S C: citing same article ( S: Starting model for refinement |
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Similar structure data |
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Links
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Assembly
Deposited unit | ![]()
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1 | ![]()
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Unit cell |
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Components
#1: Protein | Mass: 38716.234 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Details: Both the N- and C-termini are disordered and the electron density was not well-defined. Source: (gene. exp.) ![]() ![]() ![]() ![]() | ||
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#2: Sugar | #3: Chemical | ChemComp-7S4 / | |
-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 5.24 Å3/Da / Density % sol: 76.52 % |
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Crystal grow | Temperature: 277 K / Method: vapor diffusion, hanging drop Details: 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 A740003 PH range: 6.0-7.5 |
-Data collection
Diffraction | Mean temperature: 100 K | ||||||||||||||||||
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Diffraction source | Source: ![]() ![]() ![]() | ||||||||||||||||||
Detector | Type: ADSC QUANTUM 315 / Detector: CCD / Date: Apr 26, 2015 | ||||||||||||||||||
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray | ||||||||||||||||||
Radiation wavelength | Wavelength: 0.9792 Å / Relative weight: 1 | ||||||||||||||||||
Reflection | Resolution: 3.6→45.32 Å / Num. obs: 9537 / % possible obs: 99.9 % / Redundancy: 11 % / Biso Wilson estimate: 106.64 Å2 / CC1/2: 0.996 / Rmerge(I) obs: 0.228 / Rpim(I) all: 0.072 / Rrim(I) all: 0.239 / Net I/σ(I): 13 / Num. measured all: 105166 | ||||||||||||||||||
Reflection shell |
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-Phasing
Phasing | Method: ![]() |
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Processing
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Refinement | Method to determine structure: ![]() Starting model: 4DW0 Resolution: 3.604→45.318 Å / SU ML: 0.54 / Cross valid method: FREE R-VALUE / σ(F): 1.33 / Phase error: 25.48
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Solvent computation | Shrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso max: 190.02 Å2 / Biso mean: 97.841 Å2 / Biso min: 42.57 Å2 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement step | Cycle: final / Resolution: 3.604→45.318 Å
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Refine LS restraints |
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LS refinement shell | Refine-ID: X-RAY DIFFRACTION / Total num. of bins used: 7
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