1LBB

Crystal structure of the GluR2 ligand binding domain mutant (S1S2J-N754D) in complex with kainate at 2.1 A resolution

Structural Biology Knowledgebase: 1LBB SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.1 Å
  • R-Value Free: 0.260
  • R-Value Work: 0.201

Literature

Macromolecules
Sequence Display for 1LBB

Classification: MEMBRANE PROTEIN

Total Structure Weight: 29436.09

Macromolecule Entities
Molecule Chains Length Organism Details
Glutamine receptor 2 A 263 Rattus norvegicus Fragment: ligand binding core (flop)
Mutation: N242D
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
KAI
Query on KAI

A 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: 7510 - 380000 nM (88 - 98) BindingDB
Ki: 1710 - 12221 nM (88 - 98) BindingDB

N/A in BindingMoad
N/A in PDBbind

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.1 Å
  • R-Value Free: 0.260
  • R-Value Work: 0.201
  • Space Group: P 1 21 1

Unit Cell:

Length (Å) Angle (°)
a = 43.99 α = 90.00
b = 63.27 β = 92.25
c = 46.51 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