2D2Z Transport Protein date Sep 21, 2005
title Crystal Structure Of Soluble Form Of Clic4
authors Y.F.Li, D.F.Li, D.C.Wang
compound source
Molecule: Chloride Intracellular Channel Protein 4
Chain: A, B, C
Synonym: Intracellular Chloride Ion Channel Protein P64h1
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Expression_system: Escherichia Coli Bl21(De3)
Expression_system_taxid: 469008
Expression_system_strain: Bl21(De3)
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pet 22b(+)
symmetry Space Group: P 1 21 1
R_factor 0.216 R_Free 0.262
length a length b length c angle alpha angle beta angle gamma
73.190 86.050 73.380 90.00 112.99 90.00
method X-Ray Diffractionresolution 2.20 Å
A, C, B
  • voltage-gated ion channel ac...
  • chloride channel activity

  • Primary referenceTrimeric structure of the wild soluble chloride intracellular ion channel CLIC4 observed in crystals., Li Y, Li D, Zeng Z, Wang D, Biochem Biophys Res Commun. 2006 May 19;343(4):1272-8. Epub 2006 Mar 27. PMID:16581025
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (130 Kb) [Save to disk]
  • Biological Unit Coordinates (2d2z.pdb1.gz) 42 Kb
  • Biological Unit Coordinates (2d2z.pdb2.gz) 45 Kb
  • Biological Unit Coordinates (2d2z.pdb3.gz) 44 Kb
  • CSU: Contacts of Structural Units for 2D2Z
  • Likely Quarternary Molecular Structure file(s) for 2D2Z
  • Structure Factors (347 Kb)
  • Retrieve 2D2Z in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 2D2Z from S2C, [Save to disk]
  • Re-refined 2d2z structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 2D2Z 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 2D2Z
  • Cartoon representation from PDB Cartoon
  • 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
  • Crystal Contacts, from CryCo at Weizmann Institute
  • 3D motif for 2D2Z, from MSDmotif at EBI
  • Fold representative 2d2z from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [2d2z_B] [2d2z_A] [2d2z_C] [2d2z]
  • SWISS-PROT database: [Q9Y696]
  • Belongs to the intracellular chloride channel (clic) family according to TCDB.
  • Domain organization of [CLIC4_HUMAN] by SWISSPFAM
  • Other resources with information on 2D2Z
  • Community annotation for 2D2Z 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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