3I8Z	Transcription	date	Jul 10, 2009
title	Crystal Structure Of Human Chromobox Homolog 4 (Cbx4)
authors	M.F.Amaya, L.Zhihong, P.Loppnau, I.Kozieradzki, A.M.Edwards, C.H.Arrowsmith, J.Weigelt, C.Bountra, A.Bochkarev, J.Min, H.Ouya Structural Genomics Consortium (Sgc)
compound		source
Molecule: E3 Sumo-Protein Ligase Cbx4 Chain: A Fragment: Chromo Domain: Unp Residues 8-62 Synonym: Chromobox Protein Homolog 4, Polycomb 2 Homolog, P Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Cbx4 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Bl21-V2r-Prare2 Expression_system_vector_type: Plasmid
symmetry	Space Group: I 41	R_factor 0.228 R_Free 0.255
crystal cell	length a length b length c angle alpha angle beta angle gamma 58.606 58.606 32.813 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.51 Å
Gene Ontology	Chain Function Process Component A

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (14 Kb) [Save to disk] Biological Unit Coordinates (3i8z.pdb1.gz) 10 Kb CSU: Contacts of Structural Units for 3I8Z Structure Factors (103 Kb) Retrieve 3I8Z in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3I8Z from S2C, [Save to disk] Re-refined 3i8z structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3I8Z 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 3I8Z

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 3I8Z, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3i8z] [3i8z_A] SWISS-PROT database: [O00257] Domain organization of [CBX4_HUMAN] by SWISSPFAM Domain found in 3I8Z: [CHROMO ] by SMART

Other resources with information on 3I8Z

Community annotation for 3I8Z at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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