› 1m5b

X-ray diffraction
1.85Å resolution

X-RAY STRUCTURE OF THE GLUR2 LIGAND BINDING CORE (S1S2J) IN COMPLEX WITH 2-Me-Tet-AMPA AT 1.85 A RESOLUTION.

Released:
DOI: 10.2210/pdb1m5b/pdb
PDB entry 1m5b coloured by chain, front view.
PDB entry 1m5b coloured by chain, side view.
PDB entry 1m5b coloured by chain, top view.
Source organism: Rattus norvegicus
Primary publication:
Structural basis for AMPA receptor activation and ligand selectivity: crystal structures of five agonist complexes with the GluR2 ligand-binding core.
Hogner A, Kastrup JS, Jin R, Liljefors T, Mayer ML, Egebjerg J, Larsen IK, Gouaux E
J Mol Biol 322 93-109 (2002)
PMID: 12215417

Function and Biology Details

Biochemical function:
Biological process:
  • not assigned
Cellular component:
Sequence domains:
Structure domain:

Structure analysis Details

Assemblies composition:
homo dimer (preferred)
homo trimer
Assembly name:
PDBe Complex ID:
PDB-CPX-148607 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Glutamate receptor 2 Chains: A, B, C
Molecule details ›
Chains: A, B, C
Length: 263 amino acids
Theoretical weight: 29.22 KDa
Source organism: Rattus norvegicus
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P19491 (Residues: 413-527, 653-796; Coverage: 30%)
Gene names: GluA2, Glur2, Gria2
Sequence domains:
Structure domains: Periplasmic binding protein-like II

Ligands and Environments

2 bound ligands:
Ligand ZN 5 x ZN
Ligand BN1 3 x BN1
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU
Spacegroup: P21212
Unit cell:
a: 114.41Å b: 164.33Å c: 47.31Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.196 0.196 0.234
Expression system: Escherichia coli BL21(DE3)

Quick links

Citations

21 review citations

Glutamate receptor ion channels: structure, regulation, and function.
Traynelis et al. (2010)
20 more

2 mentions without citation

Enhanced efficacy without further cleft closure: reevaluating twist as a source of agonist efficacy in AMPA receptors.
Birdsey-Benson et al. (2010)
1 more