4U2Q

Full-length AMPA subtype ionotropic glutamate receptor GluA2 in complex with partial agonist kainate


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.52 Å
  • R-Value Free: 0.317
  • R-Value Work: 0.269

Literature

Macromolecules
Sequence Display for 4U2Q

Classification: Transport protein Membrane protein

Total Structure Weight: 371062.06

Macromolecule Entities
Molecule Chains Length Organism Details
Glutamate receptor 2 A, B, C, D 824 Rattus norvegicus Mutation: N239E, ΔL402, ΔP403, ΔS404, ΔG405, N385D, N392Q, C528A, M585F, C589A, G598A, G602A, C815A
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 2 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
NAG
Query on NAG

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

A, B, C, D 3-(CARBOXYMETHYL)-4-ISOPROPENYLPROLINE
KAINATE (Synonym)
C10 H15 N O4
VLSMHEGGTFMBBZ-OOZYFLPDSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
External Ligand Annotations
ID Binding Affinity (Sequence Identity %)
KAI EC50: 10570 - 380000 nM (96 - 97) BindingDB
Ki: 3690 - 12221 nM (96 - 97) BindingDB

N/A in BindingMoad
N/A in PDBbind

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.52 Å
  • R-Value Free: 0.317
  • R-Value Work: 0.269
  • Space Group: P 21 21 21

Unit Cell:

Length (Å) Angle (°)
a = 104.94 α = 90.00
b = 148.65 β = 90.00
c = 337.06 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2014-07-17
  • Released Date: 2014-08-20
  • Deposition author(s): Duerr, K.L., Chen, L., Gouaux, E.

Revision History

  • Version 1_0: 2014-08-20

    Type: Initial release

  • Version 1_1: 2014-10-01

    Type: Database references

  • Version 1_2: 2017-11-22

    Type: Derived calculations, Other, Refinement description, Source and taxonomy, Structure summary