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- PDB-3pd8: X-ray structure of the ligand-binding core of GluA2 in complex wi... -

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Basic information

Entry
Database: PDB / ID: 3pd8
TitleX-ray structure of the ligand-binding core of GluA2 in complex with (S)-7-HPCA at 2.5 A resolution
ComponentsGlutamate receptor 2
KeywordsMEMBRANE PROTEIN / ionotropic glutamate receptor GluA2 / ligand-binding core / agonist complex
Function / homology
Function and homology information


spine synapse / dendritic spine neck / dendritic spine head / cellular response to amine stimulus / perisynaptic space / Activation of AMPA receptors / ligand-gated monoatomic cation channel activity / AMPA glutamate receptor activity / response to lithium ion / Trafficking of GluR2-containing AMPA receptors ...spine synapse / dendritic spine neck / dendritic spine head / cellular response to amine stimulus / perisynaptic space / Activation of AMPA receptors / ligand-gated monoatomic cation channel activity / AMPA glutamate receptor activity / response to lithium ion / Trafficking of GluR2-containing AMPA receptors / kainate selective glutamate receptor activity / AMPA glutamate receptor complex / cellular response to glycine / extracellularly glutamate-gated ion channel activity / immunoglobulin binding / asymmetric synapse / ionotropic glutamate receptor complex / conditioned place preference / regulation of receptor recycling / glutamate receptor binding / Unblocking of NMDA receptors, glutamate binding and activation / positive regulation of synaptic transmission / regulation of synaptic transmission, glutamatergic / response to fungicide / cytoskeletal protein binding / glutamate-gated receptor activity / regulation of long-term synaptic depression / extracellular ligand-gated monoatomic ion channel activity / cellular response to brain-derived neurotrophic factor stimulus / glutamate-gated calcium ion channel activity / presynaptic active zone membrane / somatodendritic compartment / dendrite membrane / ionotropic glutamate receptor binding / ligand-gated monoatomic ion channel activity involved in regulation of presynaptic membrane potential / ionotropic glutamate receptor signaling pathway / dendrite cytoplasm / synaptic membrane / dendritic shaft / SNARE binding / transmitter-gated monoatomic ion channel activity involved in regulation of postsynaptic membrane potential / synaptic transmission, glutamatergic / PDZ domain binding / protein tetramerization / establishment of protein localization / postsynaptic density membrane / cerebral cortex development / modulation of chemical synaptic transmission / receptor internalization / Schaffer collateral - CA1 synapse / terminal bouton / synaptic vesicle / synaptic vesicle membrane / presynapse / signaling receptor activity / amyloid-beta binding / presynaptic membrane / growth cone / scaffold protein binding / perikaryon / chemical synaptic transmission / dendritic spine / postsynaptic membrane / neuron projection / postsynaptic density / axon / external side of plasma membrane / neuronal cell body / synapse / dendrite / protein kinase binding / protein-containing complex binding / glutamatergic synapse / cell surface / endoplasmic reticulum / protein-containing complex / identical protein binding / membrane / plasma membrane
Similarity search - Function
Ionotropic glutamate receptor, metazoa / Ligated ion channel L-glutamate- and glycine-binding site / Ionotropic glutamate receptor, L-glutamate and glycine-binding domain / Ligated ion channel L-glutamate- and glycine-binding site / Ligand-gated ion channel / : / Ionotropic glutamate receptor / Eukaryotic homologues of bacterial periplasmic substrate binding proteins. / Receptor, ligand binding region / Receptor family ligand binding region ...Ionotropic glutamate receptor, metazoa / Ligated ion channel L-glutamate- and glycine-binding site / Ionotropic glutamate receptor, L-glutamate and glycine-binding domain / Ligated ion channel L-glutamate- and glycine-binding site / Ligand-gated ion channel / : / Ionotropic glutamate receptor / Eukaryotic homologues of bacterial periplasmic substrate binding proteins. / Receptor, ligand binding region / Receptor family ligand binding region / Periplasmic binding protein-like II / Periplasmic binding protein-like I / D-Maltodextrin-Binding Protein; domain 2 / 3-Layer(aba) Sandwich / Alpha Beta
Similarity search - Domain/homology
ACETIC ACID / CACODYLATE ION / Chem-HA7 / Glutamate receptor 2
Similarity search - Component
Biological speciesRattus norvegicus (Norway rat)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.476 Å
AuthorsFrydenvang, K. / Kastrup, J.S.
Citation
Journal: J. Med. Chem. / Year: 2010
Title: Biostructural and pharmacological studies of bicyclic analogues of the 3-isoxazolol glutamate receptor agonist ibotenic acid.
Authors: Frydenvang, K. / Pickering, D.S. / Greenwood, J.R. / Krogsgaard-Larsen, N. / Brehm, L. / Nielsen, B. / Vogensen, S.B. / Hald, H. / Kastrup, J.S. / Krogsgaard-Larsen, P. / Clausen, R.P.
#1: Journal: J.Mol.Biol. / Year: 2002
Title: Structural basis for AMPA receptor activation and ligand selectivity: crystal structures of five agonist complexes with the GluR2 ligand-binding core.
Authors: Hogner, A. / Kastrup, J.S. / Jin, R. / Liljefors, T. / Mayer, M.L. / Egebjerg, J. / Larsen, I.K. / Gouaux, E.
#2: 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.
History
DepositionOct 22, 2010Deposition site: RCSB / Processing site: RCSB
Revision 1.0Dec 29, 2010Provider: repository / Type: Initial release
Revision 1.1Jul 13, 2011Group: Version format compliance
Revision 1.2Nov 9, 2011Group: Database references
Revision 1.3Aug 23, 2017Group: Data collection / Source and taxonomy / Category: diffrn_source / entity_src_gen / Item: _diffrn_source.pdbx_synchrotron_site
Revision 1.4Jan 24, 2018Group: Database references / Category: citation_author / Item: _citation_author.name
Revision 1.5Oct 10, 2018Group: Data collection / Database references / Structure summary
Category: citation / entity
Item: _citation.journal_abbrev / _citation.journal_id_ISSN ..._citation.journal_abbrev / _citation.journal_id_ISSN / _citation.journal_volume / _citation.page_first / _citation.page_last / _citation.title / _entity.formula_weight
Revision 1.6Sep 6, 2023Group: Data collection / Database references ...Data collection / Database references / Derived calculations / Refinement description / Structure summary
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / entity / pdbx_initial_refinement_model / pdbx_struct_conn_angle / struct_conn / struct_ref_seq_dif / struct_site
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _entity.formula_weight / _pdbx_struct_conn_angle.ptnr1_auth_asym_id / _pdbx_struct_conn_angle.ptnr1_auth_comp_id / _pdbx_struct_conn_angle.ptnr1_auth_seq_id / _pdbx_struct_conn_angle.ptnr1_label_asym_id / _pdbx_struct_conn_angle.ptnr1_label_atom_id / _pdbx_struct_conn_angle.ptnr1_label_comp_id / _pdbx_struct_conn_angle.ptnr1_label_seq_id / _pdbx_struct_conn_angle.ptnr2_auth_asym_id / _pdbx_struct_conn_angle.ptnr2_auth_seq_id / _pdbx_struct_conn_angle.ptnr2_label_asym_id / _pdbx_struct_conn_angle.ptnr3_auth_asym_id / _pdbx_struct_conn_angle.ptnr3_auth_comp_id / _pdbx_struct_conn_angle.ptnr3_auth_seq_id / _pdbx_struct_conn_angle.ptnr3_label_asym_id / _pdbx_struct_conn_angle.ptnr3_label_atom_id / _pdbx_struct_conn_angle.ptnr3_label_comp_id / _pdbx_struct_conn_angle.ptnr3_label_seq_id / _pdbx_struct_conn_angle.value / _struct_conn.pdbx_dist_value / _struct_conn.ptnr1_auth_asym_id / _struct_conn.ptnr1_auth_comp_id / _struct_conn.ptnr1_auth_seq_id / _struct_conn.ptnr1_label_asym_id / _struct_conn.ptnr1_label_atom_id / _struct_conn.ptnr1_label_comp_id / _struct_conn.ptnr1_label_seq_id / _struct_conn.ptnr2_auth_asym_id / _struct_conn.ptnr2_auth_comp_id / _struct_conn.ptnr2_auth_seq_id / _struct_conn.ptnr2_label_asym_id / _struct_conn.ptnr2_label_atom_id / _struct_conn.ptnr2_label_comp_id / _struct_conn.ptnr2_label_seq_id / _struct_ref_seq_dif.details / _struct_site.pdbx_auth_asym_id / _struct_site.pdbx_auth_comp_id / _struct_site.pdbx_auth_seq_id
Revision 1.7Nov 27, 2024Group: Structure summary / Category: pdbx_entry_details / pdbx_modification_feature

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Glutamate receptor 2
B: Glutamate receptor 2
C: Glutamate receptor 2
hetero molecules


Theoretical massNumber of molelcules
Total (without water)88,40114
Polymers87,2333
Non-polymers1,16911
Water7,134396
1
A: Glutamate receptor 2
B: Glutamate receptor 2
hetero molecules


Theoretical massNumber of molelcules
Total (without water)58,8729
Polymers58,1552
Non-polymers7177
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area2500 Å2
ΔGint-82 kcal/mol
Surface area23670 Å2
MethodPISA
2
C: Glutamate receptor 2
hetero molecules

C: Glutamate receptor 2
hetero molecules


Theoretical massNumber of molelcules
Total (without water)59,05910
Polymers58,1552
Non-polymers9048
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
crystal symmetry operation2_665-x+1,-y+1,z1
Buried area1990 Å2
ΔGint-104 kcal/mol
Surface area24040 Å2
MethodPISA
Unit cell
Length a, b, c (Å)114.618, 164.002, 47.620
Angle α, β, γ (deg.)90.000, 90.000, 90.000
Int Tables number18
Space group name H-MP21212

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Components

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Protein , 1 types, 3 molecules ABC

#1: Protein Glutamate receptor 2 / GluR-2 / AMPA-selective glutamate receptor 2 / GluR-B / GluR-K2 / Glutamate receptor ionotropic / ...GluR-2 / AMPA-selective glutamate receptor 2 / GluR-B / GluR-K2 / Glutamate receptor ionotropic / AMPA 2 / GluA2


Mass: 29077.553 Da / Num. of mol.: 3 / Fragment: UNP residues 413-527, 653-795
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Rattus norvegicus (Norway rat) / Gene: Glur2, Gria2, RAT / Plasmid: pET30B / Production host: Escherichia coli (E. coli) / Strain (production host): BL21(DE3) / References: UniProt: P19491

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Non-polymers , 6 types, 407 molecules

#2: Chemical
ChemComp-ZN / ZINC ION


Mass: 65.409 Da / Num. of mol.: 5 / Source method: obtained synthetically / Formula: Zn
#3: Chemical ChemComp-HA7 / (7S)-3-hydroxy-4,5,6,7-tetrahydroisoxazolo[5,4-c]pyridine-7-carboxylic acid


Mass: 184.149 Da / Num. of mol.: 3 / Source method: obtained synthetically / Formula: C7H8N2O4
#4: Chemical ChemComp-GOL / GLYCEROL / GLYCERIN / PROPANE-1,2,3-TRIOL


Mass: 92.094 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C3H8O3
#5: Chemical ChemComp-ACY / ACETIC ACID


Mass: 60.052 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C2H4O2
#6: Chemical ChemComp-CAC / CACODYLATE ION / dimethylarsinate


Mass: 136.989 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C2H6AsO2
#7: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 396 / Source method: isolated from a natural source / Formula: H2O

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Details

Has protein modificationY

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Experimental details

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Experiment

ExperimentMethod: X-RAY DIFFRACTION / Number of used crystals: 1

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Sample preparation

CrystalDensity Matthews: 2.57 Å3/Da / Density % sol: 52.05 %
Crystal growTemperature: 280 K / Method: vapor diffusion, hanging drop / pH: 6.5
Details: PEG4000, zinc acetate, cacodylate, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 280K

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Data collection

DiffractionMean temperature: 110 K
Diffraction sourceSource: SYNCHROTRON / Site: MAX II / Beamline: I911-2 / Wavelength: 1.043 Å
DetectorType: MAR CCD 165 mm / Detector: CCD / Date: Apr 26, 2006
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.043 Å / Relative weight: 1
ReflectionResolution: 2.476→30 Å / Num. obs: 32227 / % possible obs: 98.3 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Redundancy: 3.4 % / Biso Wilson estimate: 39.5 Å2 / Rmerge(I) obs: 0.114 / Rsym value: 0.114 / Χ2: 0.959 / Net I/σ(I): 7.4
Reflection shell
Resolution (Å)Rmerge(I) obsNum. unique allΧ2Diffraction-ID% possible all
2.476-2.590.39831190.802197.8
2.59-2.690.31932290.822199.3
2.69-2.820.2631970.862199.2
2.82-2.960.2132040.897199.4
2.96-3.150.16732020.98199.2
3.15-3.390.11732391.06199.2
3.39-3.730.09932001.111198.3
3.73-4.270.08232481.039198.8
4.27-5.380.07732570.98197.2
5.38-300.07733321.015195

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Processing

Software
NameVersionClassificationNB
SCALEPACKdata scaling
PHENIXrefinement
PDB_EXTRACT3.1data extraction
MAR345dtbdata collection
DENZOdata reduction
AMoREphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB entry 1M5E

1m5e


Resolution: 2.476→29.32 Å / Occupancy max: 1 / Occupancy min: 0.5 / FOM work R set: 0.7998 / SU ML: 0.37 / Cross valid method: THROUGHOUT / σ(F): 1.35 / Stereochemistry target values: ML
RfactorNum. reflection% reflectionSelection details
Rfree0.2605 1641 5.1 %RANDOM
Rwork0.1754 ---
obs0.1798 32193 97.87 %-
all-32193 --
Solvent computationShrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å / Solvent model: FLAT BULK SOLVENT MODEL / Bsol: 59.283 Å2 / ksol: 0.365 e/Å3
Displacement parametersBiso max: 211.92 Å2 / Biso mean: 33.9976 Å2 / Biso min: 4.05 Å2
Baniso -1Baniso -2Baniso -3
1-1.2163 Å20 Å20 Å2
2--2.0746 Å2-0 Å2
3----3.2909 Å2
Refinement stepCycle: LAST / Resolution: 2.476→29.32 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms6088 0 59 396 6543
Refine LS restraints
Refine-IDTypeDev idealNumber
X-RAY DIFFRACTIONf_bond_d0.0066262
X-RAY DIFFRACTIONf_angle_d0.9478420
X-RAY DIFFRACTIONf_chiral_restr0.064929
X-RAY DIFFRACTIONf_plane_restr0.0041052
X-RAY DIFFRACTIONf_dihedral_angle_d16.4742302
LS refinement shell

Refine-ID: X-RAY DIFFRACTION / Total num. of bins used: 12

Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkNum. reflection RworkNum. reflection all% reflection obs (%)
2.476-2.54840.34361190.2062331245091
2.5484-2.63070.32461370.188725702707100
2.6307-2.72460.29451360.18372508264499
2.7246-2.83360.31111590.18792520267999
2.8336-2.96250.28931400.181125702710100
2.9625-3.11850.27861450.17082525267099
3.1185-3.31360.26011470.16432542268999
3.3136-3.56910.28731270.15222584271199
3.5691-3.92750.22091350.14932572270799
3.9275-4.4940.1831330.12442559269298
4.494-5.65540.19021530.13062586273998
5.6554-29.32220.23291100.18382685279595

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