2PER	Electron Transport	date	Apr 03, 2007
title	Crystal Structure Of Human Chloride Intracellular Channel Pr
authors	X.D.Su, Y.H.Liang, W.Mi
compound		source
Molecule: Chloride Intracellular Channel Protein 2 Chain: A Synonym: Xap121 Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Tissue: Liver Gene: Clic2 Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet28a
symmetry	Space Group: P 21 21 21	R_factor 0.216 R_Free 0.258
crystal cell	length a length b length c angle alpha angle beta angle gamma 44.050 75.927 80.477 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.00 Å
ligand	MNB	enzyme
Gene Ontology	Chain Function Process Component A glutathione peroxidase activ... negative regulation of ryano...
Primary reference	The crystal structure of human chloride intracellular channel protein 2: a disulfide bond with functional implications., Mi W, Liang YH, Li L, Su XD, Proteins. 2008 Apr;71(1):509-13. PMID:18186468

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (42 Kb) [Save to disk] Biological Unit Coordinates (2per.pdb1.gz) 37 Kb LPC: Ligand-Protein Contacts for 2PER CSU: Contacts of Structural Units for 2PER Likely Quarternary Molecular Structure file(s) for 2PER Structure Factors (173 Kb) Retrieve 2PER in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2PER from S2C, [Save to disk] Re-refined 2per structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2PER 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 2PER

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 2PER, from MSDmotif at EBI Fold representative 2per from FSSP and Dali (Families of Structurally Similar Proteins)

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2per_A] [2per] SWISS-PROT database: [O15247] Belongs to the intracellular chloride channel (clic) family according to TCDB. Domain organization of [CLIC2_HUMAN] by SWISSPFAM

Other resources with information on 2PER

Community annotation for 2PER at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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