3IGQ Membrane Protein, Transport Protein date Jul 28, 2009
title Crystal Structure Of The Extracellular Domain Of A Bacterial Pentameric Ligand-Gated Ion Channel
authors H.Nury, M.Delarue
compound source
Molecule: Glr4197 Protein
Chain: A, B, C, D, E, F
Fragment: Extracellular N-Terminal Fragment, Unp Residues 4
Engineered: Yes
Mutation: Yes
 Organism_scientific: Gloeobacter Violaceus
Organism_taxid: 33072
Gene: Glr4197
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pet20b
symmetry Space Group: P 21 21 2
R_factor 0.207 R_Free 0.255
crystal
cell
length a length b length c angle alpha angle beta angle gamma
84.450 130.240 113.590 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.30 Å
ligand ACY, CL, HG, NA enzyme
Gene
Ontology
ChainFunctionProcessComponent
F, A, D, C, E, B


Primary referenceCrystal Structure of the Extracellular Domain of a Bacterial Ligand-Gated Ion Channel., Nury H, Bocquet N, Le Poupon C, Raynal B, Haouz A, Corringer PJ, Delarue M, J Mol Biol. 2009 Nov 13. PMID:19917292
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (190 Kb) [Save to disk]
  • Biological Unit Coordinates (3igq.pdb1.gz) 180 Kb
  • Biological Unit Coordinates (3igq.pdb2.gz) 178 Kb
  • LPC: Ligand-Protein Contacts for 3IGQ
  • CSU: Contacts of Structural Units for 3IGQ
  • Structure Factors (710 Kb)
  • Retrieve 3IGQ in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 3IGQ from S2C, [Save to disk]
  • Re-refined 3igq structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
    • View 3IGQ 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 3IGQ
  • 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 3IGQ, from MSDmotif at EBI
    • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [3igq_A] [3igq_E] [3igq_F] [3igq] [3igq_C] [3igq_D] [3igq_B]
  • SWISS-PROT database: [Q7NDN8]
  • Belongs to the neurotransmitter receptor, cys loop, ligand-gated ion channel (lic) family according to TCDB.
  • Domain organization of [Q7NDN8_GLOVI] by SWISSPFAM
    • Other resources with information on 3IGQ
  • Community annotation for 3IGQ at PDBWiki (http://pdbwiki.org)
  • MMDB (Entrez's Structure Database)
    • Movements, Movies and Images
  • Images from IMB Jena Image Library of Biological Macromolecules.

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