3KG2

AMPA subtype ionotropic glutamate receptor in complex with competitive antagonist ZK 200775


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.6 Å
  • R-Value Free: 0.296
  • R-Value Work: 0.286

Literature

Macromolecules
Sequence Display for 3KG2

Classification: membrane protein transport protein

Total Structure Weight: 372659.78

Macromolecule Entities
Molecule Chains Length Organism Details
Glutamate receptor 2 A, B, C, D 823 Rattus norvegicus Fragment: sequence database residues 25-847
Mutation: N241E, ΔV397, ΔT398, ΔL402, ΔP403, ΔS404, ΔG405, N385D, N392Q, K410A, E413A, M414A, E416A, C589A, N744T, A745P, N754S
Gene Name(s): Gria2 Glur2
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Membrane Protein

Source: mpstruc | Group: ALPHA-HELICAL

Subgroup Name: Channels: Other Ion Channels

Protein Name: GluA2 Glutamate receptor (AMPA-subtype)


Small Molecules
Ligands 3 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
ZK1
Query on ZK1

A, B, C, D {[7-morpholin-4-yl-2,3-dioxo-6-(trifluoromethyl)- 3,4-dihydroquinoxalin-1(2H)-yl]methyl}phosphonic acid
[[3,4-Dihydro-7-(4-morpholinyl)-2,3-dioxo- 6-(trifluorom ethyl)-1(2H)-quinoxalinyl]methyl]phosphonic acid (Synonym)
C14 H15 F3 N3 O6 P
WZMQMKNCWDCCMT-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
NAG
Query on NAG

A, B, C, D N-ACETYL-D-GLUCOSAMINE
C8 H15 N O6
OVRNDRQMDRJTHS-FMDGEEDCSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
BMA
Query on BMA

A, B, C, D BETA-D-MANNOSE
C6 H12 O6
WQZGKKKJIJFFOK-RWOPYEJCSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.6 Å
  • R-Value Free: 0.296
  • R-Value Work: 0.286
  • Space Group: P 1

Unit Cell:

Length (Å) Angle (°)
a = 90.71 α = 85.32
b = 109.85 β = 84.75
c = 161.13 γ = 78.92

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2009-10-28
  • Released Date: 2009-12-08
  • Deposition author(s): Sobolevsky, A.I., Rosconi, M.P., Gouaux, E.

Revision History

  • 2011-07-13
    Type: Non-polymer description, Version format compliance
  • 2012-03-21
    Type: Database references
  • 2015-05-27
    Type: Refinement description