2E4Z

Crystal structure of the ligand-binding region of the group III metabotropic glutamate receptor


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.3 Å
  • R-Value Free: 0.324 
  • R-Value Work: 0.270 

wwPDB Validation 3D Report Full Report


This is version 1.2 of the entry. See complete history

Literature

Structures of the extracellular regions of the group II/III metabotropic glutamate receptors

Muto, T.Tsuchiya, D.Morikawa, K.Jingami, H.

(2007) Proc.Natl.Acad.Sci.Usa 104: 3759-3764

  • DOI: 10.1073/pnas.0611577104
  • Primary Citation of Related Structures:  

  • PubMed Abstract: 
  • Metabotropic glutamate receptors play major roles in the activation of excitatory synapses in the central nerve system. We determined the crystal structure of the entire extracellular region of the group II receptor and that of the ligand-binding reg ...

    Metabotropic glutamate receptors play major roles in the activation of excitatory synapses in the central nerve system. We determined the crystal structure of the entire extracellular region of the group II receptor and that of the ligand-binding region of the group III receptor. A comparison among groups I, II, and III provides the structural basis that could account for the discrimination of group-specific agonists. Furthermore, the structure of group II includes the cysteine-rich domain, which is tightly linked to the ligand-binding domain by a disulfide bridge, suggesting a potential role in transmitting a ligand-induced conformational change into the downstream transmembrane region. The structure also reveals the lateral interaction between the two cysteine-rich domains, which could stimulate clustering of the dimeric receptors on the cell surface. We propose a general activation mechanism of the dimeric receptor coupled with both ligand-binding and interprotomer rearrangements.


    Organizational Affiliation

    Biomolecular Engineering Research Institute, 6-2-3 Furuedai, Suita, Osaka 565-0874, Japan.




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
Metabotropic glutamate receptor 7
A
501Rattus norvegicusMutation(s): 0 
Gene Names: Grm7 (Gprc1g, Mglur7)
Find proteins for P35400 (Rattus norvegicus)
Go to UniProtKB:  P35400
Small Molecules
Ligands 1 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
MES
Query on MES

Download SDF File 
Download CCD File 
A
2-(N-MORPHOLINO)-ETHANESULFONIC ACID
C6 H13 N O4 S
SXGZJKUKBWWHRA-UHFFFAOYSA-N
 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.3 Å
  • R-Value Free: 0.324 
  • R-Value Work: 0.270 
  • Space Group: P 31 2 1
Unit Cell:
Length (Å)Angle (°)
a = 92.431α = 90.00
b = 92.431β = 90.00
c = 114.332γ = 120.00
Software Package:
Software NamePurpose
ADSCdata collection
AMoREphasing
MOSFLMdata reduction
CCP4data scaling
REFMACrefinement

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2007-02-27
    Type: Initial release
  • Version 1.1: 2008-04-30
    Type: Version format compliance
  • Version 1.2: 2011-07-13
    Type: Advisory, Version format compliance