1ISR	Signaling Protein	date	Dec 21, 2001
title	Crystal Structure Of Metabotropic Glutamate Receptor Subtype Complexed With Glutamate And Gadolinium Ion
authors	D.Tsuchiya, N.Kunishima, N.Kamiya, H.Jingami, K.Morikawa
compound		source
Molecule: Metabotropic Glutamate Receptor Subtype 1 Chain: A Fragment: Extracellular Ligand Binding Region 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_strain: Sf9 Expression_system_vector_type: Baculovirus
symmetry	Space Group: P 32 2 1	R_factor 0.237 R_Free 0.259
crystal cell	length a length b length c angle alpha angle beta angle gamma 145.348 145.348 76.754 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	4.00 Å
ligand	GD, GLU	enzyme
Gene Ontology	Chain Function Process Component A
Primary reference	Structural views of the ligand-binding cores of a metabotropic glutamate receptor complexed with an antagonist and both glutamate and Gd3+., Tsuchiya D, Kunishima N, Kamiya N, Jingami H, Morikawa K, Proc Natl Acad Sci U S A 2002 Mar 5;99(5):2660-5. PMID:11867751

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (67 Kb) [Save to disk] Biological Unit Coordinates (1isr.pdb1.gz) 122 Kb LPC: Ligand-Protein Contacts for 1ISR CSU: Contacts of Structural Units for 1ISR Likely Quarternary Molecular Structure file(s) for 1ISR Structure Factors (65 Kb) Retrieve 1ISR in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1ISR from S2C, [Save to disk] Re-refined 1isr structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1ISR 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 1ISR

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 1ISR, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1isra_, region A [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: [1isr_A] [1isr] SWISS-PROT database: [P23385] Domain organization of [GRM1_RAT] by SWISSPFAM

Other resources with information on 1ISR

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

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