1EWK	Signaling Protein	date	Apr 26, 2000
title	Crystal Structure Of Metabotropic Glutamate Receptor Subtype Complexed With Glutamate
authors	N.Kunishima, Y.Shimada, H.Jingami, K.Morikawa
compound		source
Molecule: Metabotropic Glutamate Receptor Subtype 1 Chain: A, B Fragment: Extracellular Ligand Binding Region Synonym: Mglur1 Engineered: Yes		Organism_scientific: Rattus Norvegicus Organism_common: Norway Rat Organism_taxid: 10116 Expression_system: Spodoptera Frugiperda Expression_system_common: Fall Armyworm Expression_system_taxid: 7108 Expression_system_cell_line: Sf-9 Expression_system_vector_type: Virus Expression_system_vector: Autographa Californica Nuclear Polyhedrosis Virus
symmetry	Space Group: P 1 21 1	R_factor 0.196 R_Free 0.227
crystal cell	length a length b length c angle alpha angle beta angle gamma 83.375 95.219 97.451 90.00 114.85 90.00
method	X-Ray Diffraction	resolution	2.20 Å
ligand	EPE, GLU, MG, NAG	enzyme
Gene Ontology	Chain Function Process Component A, B
Primary reference	Structural basis of glutamate recognition by a dimeric metabotropic glutamate receptor., Kunishima N, Shimada Y, Tsuji Y, Sato T, Yamamoto M, Kumasaka T, Nakanishi S, Jingami H, Morikawa K, Nature 2000 Oct 26;407(6807):971-7. PMID:11069170

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (161 Kb) [Save to disk] Biological Unit Coordinates (1ewk.pdb1.gz) 156 Kb LPC: Ligand-Protein Contacts for 1EWK CSU: Contacts of Structural Units for 1EWK Likely Quarternary Molecular Structure file(s) for 1EWK Structure Factors (564 Kb) Retrieve 1EWK in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1EWK from S2C, [Save to disk] Re-refined 1ewk structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1EWK 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 1EWK

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 1EWK, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1ewka_, region A [Jmol] [rasmolscript] [script source]     - Domain d1ewkb_, 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: [1ewk_B] [1ewk_A] [1ewk] SWISS-PROT database: [P23385] Domain organization of [GRM1_RAT] by SWISSPFAM

Other resources with information on 1EWK

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

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Images from IMB Jena Image Library of Biological Macromolecules.

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