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- PDB-3lmk: Ligand Binding Domain of Metabotropoc glutamate receptor mGluR5 c... -

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Basic information

Entry
Database: PDB / ID: 3lmk
TitleLigand Binding Domain of Metabotropoc glutamate receptor mGluR5 complexed with glutamate
ComponentsMetabotropic glutamate receptor 5
KeywordsSIGNALING PROTEIN / GLUTAMATE RECEPTORS / MGLUR1 / DIMERIZATION / GLUTAMIC ACID / Cell membrane / G-protein coupled receptor / Glycoprotein / Membrane / Receptor / Transducer / Transmembrane / Structural Genomics / Structural Genomics Consortium / SGC
Function / homology
Function and homology information


A2A adenosine receptor binding / regulation of translational elongation / phospholipase C-activating G protein-coupled glutamate receptor signaling pathway / G protein-coupled receptor activity involved in regulation of postsynaptic membrane potential / trans-synaptic signaling by endocannabinoid, modulating synaptic transmission / adenylate cyclase inhibiting G protein-coupled glutamate receptor activity / positive regulation of long-term neuronal synaptic plasticity / : / desensitization of G protein-coupled receptor signaling pathway / G protein-coupled glutamate receptor signaling pathway ...A2A adenosine receptor binding / regulation of translational elongation / phospholipase C-activating G protein-coupled glutamate receptor signaling pathway / G protein-coupled receptor activity involved in regulation of postsynaptic membrane potential / trans-synaptic signaling by endocannabinoid, modulating synaptic transmission / adenylate cyclase inhibiting G protein-coupled glutamate receptor activity / positive regulation of long-term neuronal synaptic plasticity / : / desensitization of G protein-coupled receptor signaling pathway / G protein-coupled glutamate receptor signaling pathway / neurotransmitter receptor activity involved in regulation of postsynaptic cytosolic calcium ion concentration / astrocyte projection / Class C/3 (Metabotropic glutamate/pheromone receptors) / protein kinase C-activating G protein-coupled receptor signaling pathway / glutamate receptor activity / Neurexins and neuroligins / protein tyrosine kinase activator activity / : / positive regulation of protein tyrosine kinase activity / regulation of synaptic transmission, glutamatergic / protein tyrosine kinase binding / dendritic shaft / locomotory behavior / learning / G protein-coupled receptor activity / postsynaptic density membrane / synapse organization / regulation of protein phosphorylation / Schaffer collateral - CA1 synapse / cognition / cellular response to amyloid-beta / regulation of translation / chemical synaptic transmission / G alpha (q) signalling events / dendritic spine / positive regulation of MAPK cascade / learning or memory / glutamatergic synapse / regulation of DNA-templated transcription / identical protein binding / plasma membrane / cytoplasm
Similarity search - Function
GPCR, family 3, metabotropic glutamate receptor 5 / Metabotropic glutamate receptor, Homer-binding domain / Homer-binding domain of metabotropic glutamate receptor / GluR_Homer-bdg / GPCR, family 3, metabotropic glutamate receptor / G-protein coupled receptors family 3 signature 1. / G-protein coupled receptors family 3 signature 2. / GPCR, family 3, nine cysteines domain / GPCR, family 3, nine cysteines domain superfamily / Nine Cysteines Domain of family 3 GPCR ...GPCR, family 3, metabotropic glutamate receptor 5 / Metabotropic glutamate receptor, Homer-binding domain / Homer-binding domain of metabotropic glutamate receptor / GluR_Homer-bdg / GPCR, family 3, metabotropic glutamate receptor / G-protein coupled receptors family 3 signature 1. / G-protein coupled receptors family 3 signature 2. / GPCR, family 3, nine cysteines domain / GPCR, family 3, nine cysteines domain superfamily / Nine Cysteines Domain of family 3 GPCR / GPCR, family 3, conserved site / G-protein coupled receptors family 3 signature 3. / GPCR, family 3 / GPCR family 3, C-terminal / 7 transmembrane sweet-taste receptor of 3 GCPR / G-protein coupled receptors family 3 profile. / Response regulator / Receptor, ligand binding region / Receptor family ligand binding region / Periplasmic binding protein-like I / Rossmann fold / 3-Layer(aba) Sandwich / Alpha Beta
Similarity search - Domain/homology
GLUTAMIC ACID / Metabotropic glutamate receptor 5
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodX-RAY DIFFRACTION / MOLECULAR REPLACEMENT / molecular replacement / Resolution: 2.44 Å
AuthorsDobrovetsky, E. / Khutoreskaya, G. / Seitova, A. / Cossar, D. / Edwards, A.M. / Arrowsmith, C.H. / Bountra, C. / Weigelt, J. / Bochkarev, A. / Structural Genomics Consortium (SGC)
CitationJournal: To be Published
Title: Metabotropic Glutamate receptor mGluR5 complexed with glutamate
Authors: Dobrovetsky, E. / Khutoreskaya, G. / Seitova, A. / Cossar, D. / Edwards, A.M. / Arrowsmith, C.H. / Bountra, C. / Weigelt, J. / Bochkarev, A.
History
DepositionJan 30, 2010Deposition site: RCSB / Processing site: RCSB
Revision 1.0Feb 16, 2010Provider: repository / Type: Initial release
Revision 1.1Jul 13, 2011Group: Advisory / Refinement description / Version format compliance
Revision 1.2Nov 1, 2017Group: Refinement description / Category: software
Revision 1.3Jul 29, 2020Group: Advisory / Data collection ...Advisory / Data collection / Database references / Derived calculations / Structure summary
Category: chem_comp / database_PDB_caveat ...chem_comp / database_PDB_caveat / entity / pdbx_chem_comp_identifier / pdbx_entity_nonpoly / pdbx_struct_conn_angle / struct_conn / struct_ref_seq_dif / struct_site / struct_site_gen
Item: _chem_comp.name / _chem_comp.type ..._chem_comp.name / _chem_comp.type / _entity.pdbx_description / _pdbx_entity_nonpoly.name / _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_comp_id / _pdbx_struct_conn_angle.ptnr1_label_seq_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_comp_id / _pdbx_struct_conn_angle.ptnr3_label_seq_id / _pdbx_struct_conn_angle.value / _struct_conn.pdbx_dist_value / _struct_conn.pdbx_leaving_atom_flag / _struct_conn.pdbx_role / _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
Description: Carbohydrate remediation / Provider: repository / Type: Remediation
Revision 1.4Oct 13, 2021Group: Database references / Structure summary / Category: chem_comp / database_2 / struct_ref_seq_dif
Item: _chem_comp.pdbx_synonyms / _database_2.pdbx_DOI ..._chem_comp.pdbx_synonyms / _database_2.pdbx_DOI / _database_2.pdbx_database_accession / _struct_ref_seq_dif.details

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: Metabotropic glutamate receptor 5
B: Metabotropic glutamate receptor 5
hetero molecules


Theoretical massNumber of molelcules
Total (without water)111,6879
Polymers110,8782
Non-polymers8107
Water1,60389
1


  • Idetical with deposited unit
  • defined by author
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Unit cell
Length a, b, c (Å)71.875, 98.346, 155.239
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number19
Space group name H-MP212121

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Components

#1: Protein Metabotropic glutamate receptor 5 / / mGluR5


Mass: 55438.762 Da / Num. of mol.: 2 / Fragment: Ligand binding domain / Mutation: C241S
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: GPRC1E, GRM5, MGLUR5 / Plasmid: pFHMSP-LIC-C / Cell (production host): Sf9 insect cells / Production host: unidentified baculovirus / References: UniProt: P41594
#2: Sugar ChemComp-NAG / 2-acetamido-2-deoxy-beta-D-glucopyranose / N-acetyl-beta-D-glucosamine / 2-acetamido-2-deoxy-beta-D-glucose / 2-acetamido-2-deoxy-D-glucose / 2-acetamido-2-deoxy-glucose / N-ACETYL-D-GLUCOSAMINE / N-Acetylglucosamine


Type: D-saccharide, beta linking / Mass: 221.208 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Formula: C8H15NO6
IdentifierTypeProgram
DGlcpNAcbCONDENSED IUPAC CARBOHYDRATE SYMBOLGMML 1.0
N-acetyl-b-D-glucopyranosamineCOMMON NAMEGMML 1.0
b-D-GlcpNAcIUPAC CARBOHYDRATE SYMBOLPDB-CARE 1.0
GlcNAcSNFG CARBOHYDRATE SYMBOLGMML 1.0
#3: Chemical ChemComp-GLU / GLUTAMIC ACID / Glutamic acid


Type: L-peptide linking / Mass: 147.129 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C5H9NO4
#4: Chemical ChemComp-MG / MAGNESIUM ION


Mass: 24.305 Da / Num. of mol.: 3 / Source method: obtained synthetically / Formula: Mg
#5: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 89 / Source method: isolated from a natural source / Formula: H2O

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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: 2.47 Å3/Da / Density % sol: 50.29 %
Crystal growTemperature: 298 K / Method: vapor diffusion, sitting drop / pH: 7.5
Details: 25% PEG 8000, 0.2M NaCl, 0.1M Hepes. protein concentration 5mg/mL plus 5mM L-Glu. Cryoprotectant used: 33% PEG 8000, 0.2M NaCl and 0.1M Hepes plus 20% Glycerol, pH 7.5, VAPOR DIFFUSION, ...Details: 25% PEG 8000, 0.2M NaCl, 0.1M Hepes. protein concentration 5mg/mL plus 5mM L-Glu. Cryoprotectant used: 33% PEG 8000, 0.2M NaCl and 0.1M Hepes plus 20% Glycerol, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 298K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: ROTATING ANODE / Type: RIGAKU FR-E SUPERBRIGHT / Wavelength: 1.54 Å
DetectorType: RIGAKU RAXIS HTC / Detector: IMAGE PLATE / Date: Jan 12, 2010
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.54 Å / Relative weight: 1
ReflectionResolution: 2.44→83.08 Å / Num. obs: 41601 / % possible obs: 99.8 % / Redundancy: 7 % / Rsym value: 0.079 / Net I/σ(I): 22.3
Reflection shellResolution: 2.44→2.502 Å / Redundancy: 7 % / Mean I/σ(I) obs: 1.9 / % possible all: 100

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Phasing

PhasingMethod: molecular replacement
Phasing MR
Highest resolutionLowest resolution
Rotation2.83 Å25.03 Å
Translation2.83 Å25.03 Å

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Processing

Software
NameVersionClassificationNB
MOLREPphasing
REFMAC5.5.0102refinement
PDB_EXTRACT3.005data extraction
StructureStudiodata collection
DENZOdata reduction
SCALEPACKdata scaling
HKL-2000data scaling
RefinementMethod to determine structure: MOLECULAR REPLACEMENT / Resolution: 2.44→83.08 Å / Cor.coef. Fo:Fc: 0.935 / Cor.coef. Fo:Fc free: 0.907 / Occupancy max: 1 / Occupancy min: 0.6 / SU B: 20.443 / SU ML: 0.217 / TLS residual ADP flag: LIKELY RESIDUAL / Cross valid method: THROUGHOUT / ESU R: 0.439 / ESU R Free: 0.292 / Stereochemistry target values: MAXIMUM LIKELIHOOD / Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
RfactorNum. reflection% reflectionSelection details
Rfree0.2812 2095 5 %RANDOM
Rwork0.23178 ---
obs0.23422 39409 99.32 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.4 Å / Solvent model: MASK
Displacement parametersBiso mean: 31.915 Å2
Baniso -1Baniso -2Baniso -3
1--0.76 Å20 Å20 Å2
2--3.52 Å20 Å2
3----2.76 Å2
Refinement stepCycle: LAST / Resolution: 2.44→83.08 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms6744 0 51 89 6884
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0080.0216948
X-RAY DIFFRACTIONr_bond_other_d
X-RAY DIFFRACTIONr_angle_refined_deg1.1231.9489408
X-RAY DIFFRACTIONr_angle_other_deg
X-RAY DIFFRACTIONr_dihedral_angle_1_deg5.2585871
X-RAY DIFFRACTIONr_dihedral_angle_2_deg34.02324.033305
X-RAY DIFFRACTIONr_dihedral_angle_3_deg15.409151136
X-RAY DIFFRACTIONr_dihedral_angle_4_deg13.4681536
X-RAY DIFFRACTIONr_chiral_restr0.0760.21032
X-RAY DIFFRACTIONr_gen_planes_refined0.0040.0215268
X-RAY DIFFRACTIONr_gen_planes_other
X-RAY DIFFRACTIONr_nbd_refined
X-RAY DIFFRACTIONr_nbd_other
X-RAY DIFFRACTIONr_nbtor_refined
X-RAY DIFFRACTIONr_nbtor_other
X-RAY DIFFRACTIONr_xyhbond_nbd_refined
X-RAY DIFFRACTIONr_xyhbond_nbd_other
X-RAY DIFFRACTIONr_metal_ion_refined
X-RAY DIFFRACTIONr_metal_ion_other
X-RAY DIFFRACTIONr_symmetry_vdw_refined
X-RAY DIFFRACTIONr_symmetry_vdw_other
X-RAY DIFFRACTIONr_symmetry_hbond_refined
X-RAY DIFFRACTIONr_symmetry_hbond_other
X-RAY DIFFRACTIONr_symmetry_metal_ion_refined
X-RAY DIFFRACTIONr_symmetry_metal_ion_other
X-RAY DIFFRACTIONr_mcbond_it0.3961.54349
X-RAY DIFFRACTIONr_mcbond_other
X-RAY DIFFRACTIONr_mcangle_it0.75126944
X-RAY DIFFRACTIONr_scbond_it1.21732599
X-RAY DIFFRACTIONr_scangle_it2.0214.52464
X-RAY DIFFRACTIONr_rigid_bond_restr
X-RAY DIFFRACTIONr_sphericity_free
X-RAY DIFFRACTIONr_sphericity_bonded
LS refinement shellResolution: 2.44→2.502 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.316 159 -
Rwork0.298 2748 -
obs--95.81 %
Refinement TLS params.

Method: refined / Refine-ID: X-RAY DIFFRACTION

IDL11 (°2)L12 (°2)L13 (°2)L22 (°2)L23 (°2)L33 (°2)S11 (Å °)S12 (Å °)S13 (Å °)S21 (Å °)S22 (Å °)S23 (Å °)S31 (Å °)S32 (Å °)S33 (Å °)T11 (Å2)T12 (Å2)T13 (Å2)T22 (Å2)T23 (Å2)T33 (Å2)Origin x (Å)Origin y (Å)Origin z (Å)
11.3826-0.16030.09571.9641-0.58872.5072-0.105-0.2256-0.0952-0.01810.0907-0.08940.245-0.07420.01430.1227-0.02020.02890.1035-0.03760.093216.7279-2.697314.9733
22.4164-0.06640.13370.9630.03922.2060.09880.167-0.0739-0.0333-0.04780.0423-0.10440.0301-0.05090.06780.0073-0.02840.0228-0.03070.076519.80691.5207-23.1353
Refinement TLS group
IDRefine-IDRefine TLS-IDAuth asym-IDAuth seq-ID
1X-RAY DIFFRACTION1A25 - 495
2X-RAY DIFFRACTION2B26 - 495

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