1P1U

Crystal structure of the GluR2 ligand-binding core (S1S2J) L650T mutant in complex with AMPA (ammonium sulfate crystal form)

Structural Biology Knowledgebase: 1P1U SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.0 Å
  • R-Value Free: 0.271
  • R-Value Work: 0.238

Literature

Macromolecules
Sequence Display for 1P1U

Classification: MEMBRANE PROTEIN

Total Structure Weight: 58888.04

Macromolecule Entities
Molecule Chains Length Organism Details
Glutamate receptor 2 A, B 263 Rattus norvegicus Fragment: ligand binding core (S1S2J)
Mutation: L138T
Gene Name(s): Gria2 Glur2
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Small Molecules
Ligands 2 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 NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
SO4
Query on SO4

A SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
External Ligand Annotations
ID Binding Affinity (Sequence Identity %)
AMQ EC50: 1400 - 67000 nM (88 - 98) BindingDB
IC50: 40 nM (91) BindingDB
Ki: 0.017 - 155 nM (88 - 98) BindingDB

N/A in BindingMoad
N/A in PDBbind

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.0 Å
  • R-Value Free: 0.271
  • R-Value Work: 0.238
  • Space Group: P 21 21 21
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 61.43 α = 90.00
b = 96.38 β = 90.00
c = 95.96 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2003-04-14
  • Released Date: 2003-06-10
  • Deposition author(s): Armstrong, N., Mayer, M.L., Gouaux, E.

Revision History

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