2B2W	Peptide Binding Protein	date	Sep 19, 2005
title	Tandem Chromodomains Of Human Chd1 Complexed With Histone H3 Containing Trimethyllysine 4
authors	J.F.Flanagan Iv, L.Z.Mi, M.Chruszcz, M.Cymborowski, K.L.Clines, W.Minor, F.Rastinejad, S.Khorasanizadeh
compound		source
Molecule: Chromodomain-Helicase-Dna-Binding Protein 1 Chain: A, B Fragment: Residues 268-443 Synonym: Chd-1 Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Chd1 Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet11a
Molecule: Chromodomain-Helicase-Dna-Binding Protein 1 Chain: C Fragment: Residues 268-373 Synonym: Chd-1 Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Chd1 Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet11a
Molecule: Histone H3 Chain: D Fragment: Residues 1-19 Engineered: Yes		Synthetic: Yes Other_details: This Sequence Occurs Naturally In Homo Sapie (Humans).
symmetry	Space Group: C 1 2 1	R_factor 0.215 R_Free 0.273
crystal cell	length a length b length c angle alpha angle beta angle gamma 112.268 55.167 100.507 90.00 112.44 90.00
method	X-Ray Diffraction	resolution	2.40 Å
ligand	M3L	enzyme
Gene Ontology	Chain Function Process Component D
Primary reference	Double chromodomains cooperate to recognize the methylated histone H3 tail., Flanagan JF, Mi LZ, Chruszcz M, Cymborowski M, Clines KL, Kim Y, Minor W, Rastinejad F, Khorasanizadeh S, Nature. 2005 Dec 22;438(7071):1181-5. PMID:16372014

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (83 Kb) [Save to disk] Biological Unit Coordinates (2b2w.pdb1.gz) 77 Kb LPC: Ligand-Protein Contacts for 2B2W CSU: Contacts of Structural Units for 2B2W Likely Quarternary Molecular Structure file(s) for 2B2W Structure Factors (169 Kb) Retrieve 2B2W in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2B2W from S2C, [Save to disk] Re-refined 2b2w structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2B2W 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 2B2W

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 2B2W, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2b2w_B] [2b2w_D] [2b2w_C] [2b2w_A] [2b2w] SWISS-PROT database: [O14646] [P68431] Domain organization of [CHD1_HUMAN] [H31_HUMAN] by SWISSPFAM Domain found in 2B2W: [CHROMO ] by SMART

Other resources with information on 2B2W

Community annotation for 2B2W at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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