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- PDB-2al4: CRYSTAL STRUCTURE OF THE GLUR2 LIGAND BINDING CORE (S1S2J) IN COM... -
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Basic information
Entry | Database: PDB / ID: 2al4 | ||||||
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Title | CRYSTAL STRUCTURE OF THE GLUR2 LIGAND BINDING CORE (S1S2J) IN COMPLEX WITH quisqualate and CX614. | ||||||
![]() | Glutamate receptor 2 | ||||||
![]() | MEMBRANE PROTEIN / IONOTROPIC GLUTAMATE RECEPTOR / GLUR2 / LIGAND BINDING CORE / S1S2 / quisqualate / CX614 / modulator | ||||||
Function / homology | ![]() spine synapse / dendritic spine neck / dendritic spine head / Activation of AMPA receptors / perisynaptic space / ligand-gated monoatomic cation channel activity / AMPA glutamate receptor activity / Trafficking of GluR2-containing AMPA receptors / response to lithium ion / immunoglobulin binding ...spine synapse / dendritic spine neck / dendritic spine head / Activation of AMPA receptors / perisynaptic space / ligand-gated monoatomic cation channel activity / AMPA glutamate receptor activity / Trafficking of GluR2-containing AMPA receptors / response to lithium ion / immunoglobulin binding / AMPA glutamate receptor complex / kainate selective glutamate receptor activity / ionotropic glutamate receptor complex / extracellularly glutamate-gated ion channel activity / cellular response to glycine / asymmetric synapse / regulation of receptor recycling / Unblocking of NMDA receptors, glutamate binding and activation / glutamate-gated calcium ion channel activity / positive regulation of synaptic transmission / glutamate receptor binding / extracellular ligand-gated monoatomic ion channel activity / glutamate-gated receptor activity / presynaptic active zone membrane / response to fungicide / regulation of synaptic transmission, glutamatergic / somatodendritic compartment / cellular response to brain-derived neurotrophic factor stimulus / dendrite membrane / ligand-gated monoatomic ion channel activity involved in regulation of presynaptic membrane potential / cytoskeletal protein binding / ionotropic glutamate receptor signaling pathway / dendrite cytoplasm / SNARE binding / dendritic shaft / synaptic membrane / synaptic transmission, glutamatergic / PDZ domain binding / transmitter-gated monoatomic ion channel activity involved in regulation of postsynaptic membrane potential / protein tetramerization / postsynaptic density membrane / ionotropic glutamate receptor binding / Schaffer collateral - CA1 synapse / establishment of protein localization / modulation of chemical synaptic transmission / receptor internalization / terminal bouton / cerebral cortex development / synaptic vesicle membrane / synaptic vesicle / presynapse / signaling receptor activity / presynaptic membrane / amyloid-beta binding / growth cone / scaffold protein binding / chemical synaptic transmission / perikaryon / postsynaptic membrane / dendritic spine / postsynaptic density / neuron projection / axon / neuronal cell body / glutamatergic synapse / dendrite / synapse / protein-containing complex binding / protein kinase binding / cell surface / endoplasmic reticulum / protein-containing complex / identical protein binding / membrane / plasma membrane Similarity search - Function | ||||||
Biological species | ![]() ![]() | ||||||
Method | ![]() ![]() ![]() | ||||||
![]() | Jin, R. / Clark, S. / Weeks, A.M. / Dudman, J.T. / Gouaux, E. / Partin, K.M. | ||||||
![]() | ![]() Title: Mechanism of positive allosteric modulators acting on AMPA receptors. Authors: Jin, R. / Clark, S. / Weeks, A.M. / Dudman, J.T. / Gouaux, E. / Partin, K.M. #1: ![]() Title: Mechanism of activation and selectivity in a ligand-gated ion channel: structural and functional studies of GluR2 and quisqualate. Authors: Jin, R. / Horning, M. / Mayer, M. / Gouaux, E. #2: ![]() Title: Mechanism of glutamate receptor desensitization. Authors: Sun, Y. / Olson, R. / Horning, M. / Armstrong, N. / Mayer, M. / Gouaux, E. | ||||||
History |
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Remark 999 | SEQUENCE The native GluR2 is a membrane protein. Transmembrane regions were genetically removed and ...SEQUENCE The native GluR2 is a membrane protein. Transmembrane regions were genetically removed and replaced with a Gly-Thr linker. |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 320 KB | Display | ![]() |
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PDB format | ![]() | 257.5 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 501.2 KB | Display | ![]() |
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Full document | ![]() | 514.1 KB | Display | |
Data in XML | ![]() | 62.5 KB | Display | |
Data in CIF | ![]() | 87.5 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 2al5C ![]() 1mm7S S: Starting model for refinement C: citing same article ( |
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Similar structure data |
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Links
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Assembly
Deposited unit | ![]()
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2 | ![]()
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Unit cell |
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Components
#1: Protein | Mass: 29221.682 Da / Num. of mol.: 6 / Fragment: ligand binding core (S1S2J) Mutation: The native GluR2 is a membrane protein. Transmembrane regions were genetically removed and replaced with a Gly-Thr linker. Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() ![]() #2: Chemical | ChemComp-ZN / #3: Chemical | ChemComp-QUS / ( #4: Chemical | #5: Water | ChemComp-HOH / | |
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-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.57 Å3/Da / Density % sol: 52 % |
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Crystal grow | Temperature: 277 K / Method: vapor diffusion, hanging drop / pH: 5.5 Details: 10-14% PEG8000, 0.1-0.15 M Zinc acetate, 0.1 M sodium acetate, pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K |
-Data collection
Diffraction | Mean temperature: 110 K |
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Diffraction source | Source: ![]() ![]() ![]() |
Detector | Type: ADSC QUANTUM 4 / Detector: CCD / Date: Sep 28, 2001 |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.9795 Å / Relative weight: 1 |
Reflection | Resolution: 1.7→30 Å / Num. all: 190204 / Num. obs: 153708 / % possible obs: 80.8 % / Observed criterion σ(F): -3 / Observed criterion σ(I): -3 / Biso Wilson estimate: 17.6 Å2 |
Reflection shell | Resolution: 1.7→1.76 Å / % possible all: 34.6 |
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Processing
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Refinement | Method to determine structure: ![]() Starting model: PDB 1MM7 Resolution: 1.7→29.88 Å / Rfactor Rfree error: 0.002 / Data cutoff high absF: 710412.34 / Data cutoff low absF: 0 / Isotropic thermal model: RESTRAINED / Cross valid method: THROUGHOUT / σ(F): 0
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Solvent computation | Solvent model: FLAT MODEL / Bsol: 48.1707 Å2 / ksol: 0.401027 e/Å3 | ||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 19.2 Å2
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Refine analyze |
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Refinement step | Cycle: LAST / Resolution: 1.7→29.88 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 1.7→1.81 Å / Rfactor Rfree error: 0.007 / Total num. of bins used: 6
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Xplor file |
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