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Yorodumi- PDB-3h6u: Crystal structure of the iGluR2 ligand-binding core (S1S2J-N754S)... -
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-Basic information
Entry | Database: PDB / ID: 3h6u | ||||||
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Title | Crystal structure of the iGluR2 ligand-binding core (S1S2J-N754S) in complex with glutamate and NS1493 at 1.85 A resolution | ||||||
Components | Glutamate receptor 2 | ||||||
Keywords | MEMBRANE PROTEIN / AMPA receptor ligand-bidning core / iGluR2 S1S2J-N754S / allosteric modulation | ||||||
Function / homology | Function and homology information spine synapse / dendritic spine neck / dendritic spine head / Activation of AMPA receptors / perisynaptic space / AMPA glutamate receptor activity / Trafficking of GluR2-containing AMPA receptors / response to lithium ion / immunoglobulin binding / AMPA glutamate receptor complex ...spine synapse / dendritic spine neck / dendritic spine head / Activation of AMPA receptors / perisynaptic space / 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 receptor binding / positive regulation of synaptic transmission / 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 / transmitter-gated monoatomic ion channel activity involved in regulation of postsynaptic membrane potential / PDZ domain binding / protein tetramerization / postsynaptic density membrane / ionotropic glutamate receptor binding / Schaffer collateral - CA1 synapse / modulation of chemical synaptic transmission / establishment of protein localization / terminal bouton / receptor internalization / cerebral cortex development / synaptic vesicle membrane / synaptic vesicle / presynapse / presynaptic membrane / signaling receptor activity / amyloid-beta binding / growth cone / scaffold protein binding / chemical synaptic transmission / postsynaptic membrane / perikaryon / dendritic spine / postsynaptic density / neuron projection / axon / neuronal cell body / glutamatergic synapse / synapse / dendrite / protein-containing complex binding / endoplasmic reticulum membrane / protein kinase binding / cell surface / endoplasmic reticulum / protein-containing complex / identical protein binding / membrane / plasma membrane Similarity search - Function | ||||||
Biological species | Rattus norvegicus (Norway rat) | ||||||
Method | X-RAY DIFFRACTION / SYNCHROTRON / DIFFERENCE FOURIER / Resolution: 1.85 Å | ||||||
Authors | Hald, H. / Gajhede, M. / Kastrup, J.S. | ||||||
Citation | Journal: J.Mol.Biol. / Year: 2009 Title: Distinct structural features of cyclothiazide are responsible for effects on peak current amplitude and desensitization kinetics at iGluR2. Authors: Hald, H. / Ahring, P.K. / Timmermann, D.B. / Liljefors, T. / Gajhede, M. / Kastrup, J.S. #1: Journal: Neuron / Year: 2000 Title: Mechanisms for activation and antagonism of an AMPA-sensitive glutamate receptor: crystal structures of the GluR2 ligand binding core. Authors: Armstrong, N. / Gouaux, E. #2: Journal: Nature / Year: 2002 Title: Mechanism of glutamate receptor desensitization. Authors: Sun, Y. / Olson, R. / Horning, M. / Armstrong, N. / Mayer, M. / Gouaux, E. | ||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 3h6u.cif.gz | 79.7 KB | Display | PDBx/mmCIF format |
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PDB format | pdb3h6u.ent.gz | 56.7 KB | Display | PDB format |
PDBx/mmJSON format | 3h6u.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Summary document | 3h6u_validation.pdf.gz | 782.7 KB | Display | wwPDB validaton report |
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Full document | 3h6u_full_validation.pdf.gz | 786.5 KB | Display | |
Data in XML | 3h6u_validation.xml.gz | 17.2 KB | Display | |
Data in CIF | 3h6u_validation.cif.gz | 26.1 KB | Display | |
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/h6/3h6u ftp://data.pdbj.org/pub/pdb/validation_reports/h6/3h6u | HTTPS FTP |
-Related structure data
Related structure data | 3h6tC 3h6vC 3h6wC 1m5cS C: citing same article (ref.) S: Starting model for refinement |
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Similar structure data |
-Links
-Assembly
Deposited unit |
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1 |
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Unit cell |
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-Components
-Protein , 1 types, 1 molecules A
#1: Protein | Mass: 29194.658 Da / Num. of mol.: 1 Fragment: iGluR2-flop ligand-binding core: UNP residues 413-796 Mutation: N754S Source method: isolated from a genetically manipulated source Source: (gene. exp.) Rattus norvegicus (Norway rat) / Gene: Gria2, Glur2 / Plasmid: pET30b / Production host: Escherichia coli (E. coli) / Strain (production host): BL21(DE3) / References: UniProt: P19491 |
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-Non-polymers , 6 types, 395 molecules
#2: Chemical | ChemComp-GLU / | ||||||
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#3: Chemical | ChemComp-NS3 / ( | ||||||
#4: Chemical | ChemComp-SO4 / #5: Chemical | #6: Chemical | ChemComp-FLC / | #7: Water | ChemComp-HOH / | |
-Details
Sequence details | NATIVE IGLUR2 IS A MEMBRANE PROTEIN. THE PROTEIN CRYSTALLIZED IS THE EXTRACELLULAR LIGAND-BINDING ...NATIVE IGLUR2 IS A MEMBRANE PROTEIN. THE PROTEIN CRYSTALLIZ |
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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: 2.29 Å3/Da / Density % sol: 46.4 % |
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Crystal grow | Temperature: 279 K / pH: 4.5 Details: 25 % PEG 8000, 0.1 M Lithium sulfate, 0.1 M Phosphate-citrate pH 4.5, VAPOR DIFFUSION, HANGING DROP, temperature 279K |
-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: SYNCHROTRON / Site: EMBL/DESY, HAMBURG / Beamline: X11 / Wavelength: 0.8142 |
Detector | Type: MARRESEARCH / Detector: CCD / Date: Feb 3, 2006 |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.8142 Å / Relative weight: 1 |
Reflection | Resolution: 1.85→19.47 Å / Num. obs: 24228 / % possible obs: 98.7 % / Redundancy: 7.9 % / Biso Wilson estimate: 21 Å2 / Rmerge(I) obs: 0.058 / Net I/σ(I): 33.1 |
Reflection shell | Resolution: 1.85→1.92 Å / Redundancy: 7.9 % / Rmerge(I) obs: 0.419 / Mean I/σ(I) obs: 5.2 / Rsym value: 0.419 / % possible all: 91.6 |
-Processing
Software |
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Refinement | Method to determine structure: DIFFERENCE FOURIER Starting model: PDB ENTRY 1M5C Resolution: 1.85→19.47 Å / Rfactor Rfree error: 0.006 / Occupancy max: 1 / Occupancy min: 0.5 / Data cutoff high absF: 1343001.7 / Data cutoff low absF: 0 / Isotropic thermal model: RESTRAINED / Cross valid method: THROUGHOUT / σ(F): 0 / Stereochemistry target values: ENGH & HUBER
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Solvent computation | Solvent model: FLAT MODEL / Bsol: 40.91 Å2 / ksol: 0.344532 e/Å3 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 24.8 Å2
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Refine analyze |
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Refinement step | Cycle: LAST / Resolution: 1.85→19.47 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 1.85→1.88 Å / Rfactor Rfree error: 0.041 / Total num. of bins used: 23
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Xplor file |
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