3KG2 Membrane Protein, Transport Protein date Oct 28, 2009
title Ampa Subtype Ionotropic Glutamate Receptor In Complex With C Antagonist Zk 200775
authors A.I.Sobolevsky, M.P.Rosconi, E.Gouaux
compound source
Molecule: Glutamate Receptor 2
Chain: A, B, C, D
Fragment: Sequence Database Residues 25-847
Synonym: Glur-2, Glur-B, Glur-K2, Glutamate Receptor Ionotr 2, Ampa-Selective Glutamate Receptor 2;
Engineered: Yes
Mutation: Yes
Organism_scientific: Rattus Norvegicus
Organism_common: Rat
Organism_taxid: 10116
Gene: Gria2, Glur2
Expression_system: Spodoptera Frugiperda
Expression_system_taxid: 562
Expression_system_cell_line: Sf9
Expression_system_vector_type: Baculovirus
Expression_system_vector: Pfastbac1
symmetry Space Group: P 1
R_factor 0.286 R_Free 0.296
length a length b length c angle alpha angle beta angle gamma
90.715 109.848 161.130 85.32 84.75 78.92
method X-Ray Diffractionresolution 3.60 Å
ligand BMA, NAG, ZK1 enzyme
A, D, C, B
  • ion channel activity
  • extracellularly glutamate-ga...
  • ligand-gated ion channel act...
  • transmitter-gated ion channe...

  • Primary referenceX-ray structure, symmetry and mechanism of an AMPA-subtype glutamate receptor., Sobolevsky AI, Rosconi MP, Gouaux E, Nature. 2009 Dec 10;462(7274):745-56. Epub . PMID:19946266
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (955 Kb) [Save to disk]
  • Biological Unit Coordinates (3kg2.pdb1.gz) 943 Kb
  • LPC: Ligand-Protein Contacts for 3KG2
  • CSU: Contacts of Structural Units for 3KG2
  • Structure Factors (545 Kb)
  • Retrieve 3KG2 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 3KG2 from S2C, [Save to disk]
  • Re-refined 3kg2 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 3KG2 in 3D
  • Proteopedia, because life has more than 2D.
  • On Jmol, a nice Rasmol like molecule viewer. This is good for easiest viewing of basic structure.
  • On FirstGlance, an excellent tool for a guided tour on the structure components, by E. Martz.
  • Visual 3D analysis of 3KG2
  • Cartoon representation from PDB Cartoon
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Electron Density related parameters from EDS Electron Density Server, at Upsala
  • Dipole moment, from Dipole Server at Weizmann Institute
  • Crystal Contacts, from CryCo at Weizmann Institute
  • 3D motif for 3KG2, from MSDmotif at EBI
  • Fold representative 3kg2 from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [3kg2_D] [3kg2_C] [3kg2] [3kg2_A] [3kg2_B]
  • SWISS-PROT database: [P19491]
  • Domain organization of [GRIA2_RAT] by SWISSPFAM
  • Domains found in 3KG2: [Lig_chan-Glu_bd] [PBPe ] by SMART
  • Other resources with information on 3KG2
  • Community annotation for 3KG2 at PDBWiki (http://pdbwiki.org)
  • MMDB (Entrez's Structure Database)
  • Movements, Movies and Images
  • Images from IMB Jena Image Library of Biological Macromolecules.

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