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
crystal cell	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 Diffraction	resolution	2.20 Å
Gene Ontology	Chain Function Process Component A, C, B voltage-gated ion channel ac... chloride channel activity
Primary reference	Trimeric 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] (128 Kb) [Save to disk] Biological Unit Coordinates (2d2z.pdb1.gz) 41 Kb Biological Unit Coordinates (2d2z.pdb2.gz) 44 Kb Biological Unit Coordinates (2d2z.pdb3.gz) 43 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

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 2D2Z, from MSDmotif at EBI

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)

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