1FTM

CRYSTAL STRUCTURE OF THE GLUR2 LIGAND BINDING CORE (S1S2J) IN COMPLEX WITH AMPA AT 1.7 RESOLUTION

Structural Biology Knowledgebase: 1FTM SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.7 Å
  • R-Value Free: 0.247
  • R-Value Work: 0.210

Literature

Macromolecules
Sequence Display for 1FTM

Classification: MEMBRANE PROTEIN

Total Structure Weight: 88551.03

Macromolecule Entities
Molecule Chains Length Organism Details
GLUTAMATE RECEPTOR SUBUNIT 2 A, B, C 263 Rattus norvegicus Fragment: GLUR2-FLOP LIGAND BINDING CORE (S1S2J)
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, C (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)
ZN
Query on ZN

A, B, C ZINC ION
Zn
PTFCDOFLOPIGGS-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
External Ligand Annotations
ID Binding Affinity (Sequence Identity %)
AMQ EC50: 1400 - 67000 nM (88 - 99) BindingDB
IC50: 40 nM (91) BindingDB
Ki: 0.017 - 155 nM (88 - 99) BindingDB

Kd: 24.8 nM  BindingMOAD
Kd: 24.8 nM  PDBbind

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.7 Å
  • R-Value Free: 0.247
  • R-Value Work: 0.210
  • Space Group: P 21 21 2

Unit Cell:

Length (Å) Angle (°)
a = 113.80 α = 90.00
b = 163.17 β = 90.00
c = 47.18 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2000-09-12
  • Released Date: 2000-11-01
  • Deposition author(s): Gouaux, E., Armstrong, N.

Revision History

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