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
crystal cell	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 Diffraction	resolution	3.60 Å
ligand	BMA, NAG, ZK1	enzyme
subcellular loc.	Membrane localization by OPM: Eukaryotic plasma membrane extracellular side cytoplasmic side
Gene Ontology	Chain Function Process Component A, D, C, B ion channel activity extracellularly glutamate-ga... ligand-gated ion channel act... transmitter-gated ion channe...
Primary reference	X-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] (977 Kb) [Save to disk] Biological Unit Coordinates (3kg2.pdb1.gz) 963 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

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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)

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