The structure of a mixed GLUR2 ligand-binding core dimer in complex with (S)-glutamate and the antagonist (S)-NS1209

Structure

x-ray diffraction · 1 distinct chain · 37% helix, 22% strand (DSSP).

Ligands and binding sites

• M1L · 2-({[(3E)-5-{4-[(dimethylamino)(dihydroxy)-lambda~4~-sulfanyl]phenyl}-8-methyl-2-oxo-6,7,8,9-tetrahydro-1H-pyrrolo[3,2-h]isoquinolin-3(2H)-ylidene]amino}oxy)-4-hydroxybutanoic acid · ligand · chains A
• GLU · Glutamic acid · ligand · chains B
• SO4 · Sulfate ion · ion · 4 copies · chains A, B

Binding sites are the residues within 4.5 Å of a ligand's heavy atoms.

Pockets

3 pockets found on a 1 Å grid, 2 with a druggability of 0.5 or more.

Interfaces

1 interface between chains.

• A–B · 926 Ų buried · 10 hydrogen bonds · protein-protein

Modifications

Observed in the structure: 2 disulfide (disulfide).

Compared structures

• 2CMO · The structure of a mixed glur2 ligand-binding core dimer in complex with (s)-glutamate… · the same entry in another collection · chain A against A, TM-score 1.00
• P19491 · AlphaFold monomer V2.0 prediction for glutamate receptor 2 (P19491) · a predicted model of the same protein · chain B against A, TM-score 0.95

Analyse

• Open in the research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides and crosslinks on the 3D structure
• Every structure of UniProt P19491
• Elsewhere: RCSB PDB 2CMO · PDBe 2CMO · UniProt P19491