1LB8

Crystal structure of the Non-desensitizing GluR2 ligand binding core mutant (S1S2J-L483Y) in complex with AMPA at 2.3 resolution

Structural Biology Knowledgebase: 1LB8 SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.3 Å
  • R-Value Free: 0.267
  • R-Value Work: 0.218

wwPDB Validation Full Report


Literature

Macromolecules
Sequence Display for 1LB8

Classification: MEMBRANE PROTEIN

Total Structure Weight: 58916.12

Macromolecule Entities
Molecule Chains Length Organism Details
Glutamate receptor 2 A, B 263 Rattus norvegicus Fragment: ligand-binding core (flop)
Mutation: L94Y
Gene Name(s): Gria2 Glur2
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Small Molecules
Ligands 1 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
AMQ
Query on AMQ

A, B (S)-ALPHA-AMINO-3-HYDROXY-5-METHYL-4-ISOXAZOLEPROPIONIC ACID
AMPA (Synonym)
C7 H10 N2 O4
UUDAMDVQRQNNHZ-YFKPBYRVSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
External Ligand Annotations
ID Binding Affinity (Sequence Identity %)
AMQ EC50: 1400 - 67000 nM (87 - 99) BindingDB
IC50: 40 nM (91) BindingDB
Ki: 0.017 - 155 nM (87 - 99) BindingDB

N/A in BindingMoad
N/A in PDBbind

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.3 Å
  • R-Value Free: 0.267
  • R-Value Work: 0.218
  • Space Group: P 21 21 2

Unit Cell:

Length (Å) Angle (°)
a = 98.56 α = 90.00
b = 121.38 β = 90.00
c = 47.34 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2002-04-02
  • Released Date: 2002-06-05
  • Deposition author(s): Sun, Y., Olson, R., Horning, M., Armstrong, N., Mayer, M., Gouaux, E.

Revision History

  • 2011-07-13
    Type: Version format compliance | Details: compliance with PDB Exchange Dictionary V4