1MQG

Crystal Structure of the GluR2 Ligand Binding Core (S1S2J) in Complex with Iodo-Willardiine at 2.15 Angstroms Resolution

Structural Biology Knowledgebase: 1MQG SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.15 Å
  • R-Value Free: 0.233
  • R-Value Work: 0.185

Literature

Macromolecules
Sequence Display for 1MQG

Classification: MEMBRANE PROTEIN

Total Structure Weight: 59378.09

Macromolecule Entities
Molecule Chains Length Organism Details
glutamate receptor 2 A, B 263 Rattus norvegicus Fragment: ligand binding core (S1S2J)
Gene Name(s): Gria2 Glur2
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Small Molecules
Ligands 3 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
IWD
Query on IWD

A, B 2-AMINO-3-(5-IODO-2,4-DIOXO-3,4-DIHYDRO-2H- PYRIMIDIN-1-YL)-PROPIONIC ACID
IODO-WILLARDIINE (Synonym)
C7 H8 I N3 O4
AXXYLTBQIQBTES-BYPYZUCNSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
SO4
Query on SO4

A, B SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
GOL
Query on GOL

A GLYCEROL
2, (Synonym)
C3 H8 O3
PEDCQBHIVMGVHV-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
External Ligand Annotations
ID Binding Affinity (Sequence Identity %)
IWD EC50: 19200 - 33600 nM (91) BindingDB
Ki: 83 - 976 nM (88 - 99) BindingDB

IC50: 520 nM  BindingMOAD
IC50: 520 nM  PDBbind

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.15 Å
  • R-Value Free: 0.233
  • R-Value Work: 0.185
  • Space Group: P 1 21 1

Unit Cell:

Length (Å) Angle (°)
a = 48.01 α = 90.00
b = 88.72 β = 99.24
c = 58.91 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2002-09-16
  • Released Date: 2003-08-05
  • Deposition author(s): Jin, R., Banke, T.G., Mayer, M.L., Traynelis, S.F., Gouaux, E.

Revision History

  • 2011-07-13
    Type: Non-polymer description | Details: chemical name/synonym update
  • 2011-07-13
    Type: Version format compliance | Details: compliance with PDB Exchange Dictionary V4