1P1W	Membrane Protein	date	Apr 14, 2003
title	Crystal Structure Of The Glur2 Ligand-Binding Core (S1s2j) W L483y And L650t Mutations And In Complex With Ampa
authors	N.Armstrong, M.L.Mayer, E.Gouaux
compound		source
Molecule: Glutamate Receptor 2 Precursor Chain: A, B Fragment: Ligand Binding Core (S1s2j) Synonym: Glur-2, Glur-B, Glur-K2, Glutamate Receptor Ionotr 2; Engineered: Yes Mutation: Yes		Organism_scientific: Rattus Norvegicus Organism_common: Norway Rat Organism_taxid: 10116 Gene: Gria2 Or Glur2 Expression_system: Escherichia Coli Bl21 Expression_system_taxid: 511693 Expression_system_strain: Bl21 Expression_system_vector_type: Plasmid Expression_system_plasmid: Petgq
symmetry	Space Group: P 21 21 2	R_factor 0.234 R_Free 0.264
crystal cell	length a length b length c angle alpha angle beta angle gamma 98.883 121.471 47.229 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.80 Å
ligand	AMQ, SO4 BindingDB	enzyme
related structures	by homologous chain: 1MY2, 1XHY
Gene Ontology	Chain Function Process Component A, B
Primary reference	Tuning activation of the AMPA-sensitive GluR2 ion channel by genetic adjustment of agonist-induced conformational changes., Armstrong N, Mayer M, Gouaux E, Proc Natl Acad Sci U S A 2003 May 13;100(10):5736-41. Epub 2003 May 2. PMID:12730367

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (88 Kb) [Save to disk] Biological Unit Coordinates (1p1w.pdb1.gz) 81 Kb LPC: Ligand-Protein Contacts for 1P1W CSU: Contacts of Structural Units for 1P1W Likely Quarternary Molecular Structure file(s) for 1P1W Structure Factors (400 Kb) Retrieve 1P1W in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1P1W from S2C, [Save to disk] Re-refined 1p1w structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1P1W 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 1P1W

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 1P1W, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1p1wa_, region A [Jmol] [rasmolscript] [script source]     - Domain d1p1wb_, region B [Jmol] [rasmolscript] [script source] Class (fold), Architecture (subfold), Topology, Homologous superfamily from CATH Summaries and structural analyses of PDB data files from PDBSum Identification of Protein Pockets & Cavities at CASTp

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1p1w_A] [1p1w] [1p1w_B] SWISS-PROT database: [P19491] Domain organization of [GRIA2_RAT] by SWISSPFAM Domains found in 1P1W: [Lig_chan-Glu_bd] [PBPb] [PBPe ] by SMART

Other resources with information on 1P1W

Community annotation for 1P1W at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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