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Yorodumi- PDB-5fwy: Crystal structure of the AMPA receptor GluA2/A3 N-terminal domain... -
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Basic information
| Entry | Database: PDB / ID: 5fwy | ||||||
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| Title | Crystal structure of the AMPA receptor GluA2/A3 N-terminal domain heterodimer | ||||||
Components | (GLUTAMATE RECEPTOR ...) x 2 | ||||||
Keywords | TRANSPORT PROTEIN | ||||||
| Function / homology | Function and homology informationTrafficking of AMPA receptors / ligand-gated calcium channel activity / Synaptic adhesion-like molecules / regulation of synaptic plasticity by chemical substance / spine synapse / dendritic spine neck / dendritic spine cytoplasm / cellular response to amine stimulus / response to phorbol 13-acetate 12-myristate / dendritic spine head ...Trafficking of AMPA receptors / ligand-gated calcium channel activity / Synaptic adhesion-like molecules / regulation of synaptic plasticity by chemical substance / spine synapse / dendritic spine neck / dendritic spine cytoplasm / cellular response to amine stimulus / response to phorbol 13-acetate 12-myristate / dendritic spine head / Activation of AMPA receptors / protein heterotetramerization / ligand-gated monoatomic cation channel activity / perisynaptic space / response to lithium ion / Trafficking of GluR2-containing AMPA receptors / AMPA glutamate receptor activity / AMPA glutamate receptor clustering / regulation of receptor recycling / parallel fiber to Purkinje cell synapse / kainate selective glutamate receptor activity / AMPA glutamate receptor complex / extracellularly glutamate-gated ion channel activity / ionotropic glutamate receptor complex / cellular response to glycine / immunoglobulin binding / asymmetric synapse / Unblocking of NMDA receptors, glutamate binding and activation / response to fungicide / glutamate receptor binding / positive regulation of synaptic transmission / conditioned place preference / regulation of synaptic transmission, glutamatergic / cytoskeletal protein binding / extracellular ligand-gated monoatomic ion channel activity / glutamate-gated receptor activity / cellular response to brain-derived neurotrophic factor stimulus / regulation of long-term synaptic depression / glutamate-gated calcium ion channel activity / somatodendritic compartment / presynaptic active zone membrane / synaptic cleft / ionotropic glutamate receptor binding / excitatory synapse / ionotropic glutamate receptor signaling pathway / ligand-gated monoatomic ion channel activity involved in regulation of presynaptic membrane potential / dendrite cytoplasm / dendrite membrane / positive regulation of excitatory postsynaptic potential / SNARE binding / establishment of protein localization / synaptic membrane / synaptic transmission, glutamatergic / PDZ domain binding / cerebral cortex development / dendritic shaft / transmitter-gated monoatomic ion channel activity involved in regulation of postsynaptic membrane potential / protein tetramerization / long-term synaptic potentiation / receptor internalization / postsynaptic density membrane / Schaffer collateral - CA1 synapse / modulation of chemical synaptic transmission / terminal bouton / synaptic vesicle membrane / synaptic vesicle / signaling receptor activity / amyloid-beta binding / presynapse / growth cone / chemical synaptic transmission / scaffold protein binding / presynaptic membrane / dendritic spine / protein homotetramerization / perikaryon / neuron projection / postsynaptic membrane / postsynaptic density / external side of plasma membrane / axon / neuronal cell body / dendrite / protein kinase binding / synapse / glutamatergic synapse / protein-containing complex binding / perinuclear region of cytoplasm / cell surface / endoplasmic reticulum / protein-containing complex / membrane / identical protein binding / plasma membrane Similarity search - Function | ||||||
| Biological species | ![]() | ||||||
| Method | X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.12 Å | ||||||
Authors | Herguedas, B. / Garcia-Nafria, J. / Greger, I.H. | ||||||
Citation | Journal: Science / Year: 2016Title: Structure and organization of heteromeric AMPA-type glutamate receptors. Authors: Beatriz Herguedas / Javier García-Nafría / Ondrej Cais / Rafael Fernández-Leiro / James Krieger / Hinze Ho / Ingo H Greger / ![]() Abstract: AMPA-type glutamate receptors (AMPARs), which are central mediators of rapid neurotransmission and synaptic plasticity, predominantly exist as heteromers of the subunits GluA1 to GluA4. Here we ...AMPA-type glutamate receptors (AMPARs), which are central mediators of rapid neurotransmission and synaptic plasticity, predominantly exist as heteromers of the subunits GluA1 to GluA4. Here we report the first AMPAR heteromer structures, which deviate substantially from existing GluA2 homomer structures. Crystal structures of the GluA2/3 and GluA2/4 N-terminal domains reveal a novel compact conformation with an alternating arrangement of the four subunits around a central axis. This organization is confirmed by cysteine cross-linking in full-length receptors, and it permitted us to determine the structure of an intact GluA2/3 receptor by cryogenic electron microscopy. Two models in the ligand-free state, at resolutions of 8.25 and 10.3 angstroms, exhibit substantial vertical compression and close associations between domain layers, reminiscent of N-methyl-D-aspartate receptors. Model 1 resembles a resting state and model 2 a desensitized state, thus providing snapshots of gating transitions in the nominal absence of ligand. Our data reveal organizational features of heteromeric AMPARs and provide a framework to decipher AMPAR architecture and signaling. | ||||||
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Structure visualization
| Structure viewer | Molecule: Molmil Jmol/JSmol |
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Downloads & links
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Download
| PDBx/mmCIF format | 5fwy.cif.gz | 594 KB | Display | PDBx/mmCIF format |
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| PDB format | pdb5fwy.ent.gz | 491.9 KB | Display | PDB format |
| PDBx/mmJSON format | 5fwy.json.gz | Tree view | PDBx/mmJSON format | |
| Others | Other downloads |
-Validation report
| Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/fw/5fwy ftp://data.pdbj.org/pub/pdb/validation_reports/fw/5fwy | HTTPS FTP |
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-Related structure data
| Related structure data | ![]() 8090C ![]() 8091C ![]() 5fwxC ![]() 5ideC ![]() 5idfC ![]() 3hsyS ![]() 3o21S 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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| 1 | ![]()
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| 2 | ![]()
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Components
-GLUTAMATE RECEPTOR ... , 2 types, 4 molecules ACBD
| #1: Protein | Mass: 43731.359 Da / Num. of mol.: 2 / Fragment: RESIDUES 25-400 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() HOMO SAPIENS (human) / References: UniProt: P19491#2: Protein | Mass: 45093.953 Da / Num. of mol.: 2 / Fragment: RESIDUES 23-403 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() HOMO SAPIENS (human) / References: UniProt: P19492 |
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-Sugars , 1 types, 10 molecules 
| #3: Sugar | ChemComp-NAG / |
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-Non-polymers , 3 types, 361 molecules 




| #4: Chemical | ChemComp-SO4 / #5: Chemical | ChemComp-GOL / | #6: Water | ChemComp-HOH / | |
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-Details
| Has protein modification | Y |
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-Experimental details
-Experiment
| Experiment | Method: X-RAY DIFFRACTION / Number of used crystals: 1 |
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Sample preparation
| Crystal | Density Matthews: 2.81 Å3/Da / Density % sol: 56.18 % / Description: NONE |
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| Crystal grow | Details: 14-16 % PEG 3350, 0.27 M AMMONIUM SULPHATE AND 0.1 M BICINE PH 9 |
-Data collection
| Diffraction | Mean temperature: 100 K |
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| Diffraction source | Source: SYNCHROTRON / Site: Diamond / Beamline: I04-1 / Wavelength: 0.92 |
| Detector | Type: DECTRIS PIXEL / Detector: PIXEL / Date: Dec 9, 2012 |
| Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
| Radiation wavelength | Wavelength: 0.92 Å / Relative weight: 1 |
| Reflection | Resolution: 2.12→41.75 Å / Num. obs: 100269 / % possible obs: 90.4 % / Observed criterion σ(I): 2 / Redundancy: 1.9 % / Rmerge(I) obs: 0.1 / Net I/σ(I): 6 |
| Reflection shell | Resolution: 2.12→2.18 Å / Redundancy: 1.9 % / Rmerge(I) obs: 0.44 / Mean I/σ(I) obs: 1.9 / % possible all: 87.8 |
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Processing
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| Refinement | Method to determine structure: MOLECULAR REPLACEMENTStarting model: PDB ENTRIES 3HSY AND 3O21 Resolution: 2.12→41.76 Å / Cor.coef. Fo:Fc: 0.952 / Cor.coef. Fo:Fc free: 0.929 / SU B: 12.006 / SU ML: 0.15 / Cross valid method: THROUGHOUT / ESU R: 0.226 / ESU R Free: 0.187 / Stereochemistry target values: MAXIMUM LIKELIHOOD Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS. HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS U VALUES WITH TLS ADDED
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| Solvent computation | Ion probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: MASK | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Displacement parameters | Biso mean: 39.088 Å2
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| Refinement step | Cycle: LAST / Resolution: 2.12→41.76 Å
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HOMO SAPIENS (human)