2QS1	Membrane Protein	date	Jul 30, 2007
title	Crystal Structure Of The Glur5 Ligand Binding Core Dimer In With Ubp315 At 1.80 Angstroms Resolution
authors	G.M.Alushin, D.E.Jane, M.L.Mayer
compound		source
Molecule: Glutamate Receptor, Ionotropic Kainate 1 Chain: A, B Synonym: Glutamate Receptor 5, Glur-5, Glur5 Engineered: Yes Mutation: Yes		Organism_scientific: Rattus Norvegicus Organism_common: Rat Organism_taxid: 10116 Gene: Grik1, Glur5 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Origamib (De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet 22b (Modified)
symmetry	Space Group: C 2 2 21	R_factor 0.198 R_Free 0.219
crystal cell	length a length b length c angle alpha angle beta angle gamma 97.823 97.816 129.043 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.80 Å
ligand	1PE, CL, UB1 BindingDB	enzyme
Gene Ontology	Chain Function Process Component A, B
Primary reference	Binding site and ligand flexibility revealed by high resolution crystal structures of GluK1 competitive antagonists., Alushin GM, Jane D, Mayer ML, Neuropharmacology. 2011 Jan;60(1):126-34. Epub 2010 Jun 15. PMID:20558186

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (97 Kb) [Save to disk] Biological Unit Coordinates (2qs1.pdb1.gz) 91 Kb Biological Unit Coordinates (2qs1.pdb2.gz) 91 Kb LPC: Ligand-Protein Contacts for 2QS1 CSU: Contacts of Structural Units for 2QS1 Likely Quarternary Molecular Structure file(s) for 2QS1 Structure Factors (843 Kb) Retrieve 2QS1 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2QS1 from S2C, [Save to disk] Re-refined 2qs1 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2QS1 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 2QS1

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 3D motif for 2QS1, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2qs1_A] [2qs1_B] [2qs1] SWISS-PROT database: [P22756] Belongs to the glutamate-gated ion channel (gic) family of neurotransmitter receptors according to TCDB. Domain organization of [GRIK1_RAT] by SWISSPFAM Domains found in 2QS1: [Lig_chan-Glu_bd] [PBPb] [PBPe ] by SMART

Other resources with information on 2QS1

Community annotation for 2QS1 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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