2B2V	Peptide Binding Protein	date	Sep 19, 2005
title	Crystal Structure Analysis Of Human Chd1 Chromodomains 1 And To Histone H3 Resi 1-15 Mek4
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 1-15 Engineered: Yes		Synthetic: Yes Other_details: This Sequence Occurs Naturally In Homo Sapie (Humans).
symmetry	Space Group: C 1 2 1	R_factor 0.213 R_Free 0.266
crystal cell	length a length b length c angle alpha angle beta angle gamma 112.255 54.177 99.960 90.00 111.97 90.00
method	X-Ray Diffraction	resolution	2.65 Å
ligand	MLZ	enzyme
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] (81 Kb) [Save to disk] Biological Unit Coordinates (2b2v.pdb1.gz) 73 Kb LPC: Ligand-Protein Contacts for 2B2V CSU: Contacts of Structural Units for 2B2V Likely Quarternary Molecular Structure file(s) for 2B2V Structure Factors (178 Kb) Retrieve 2B2V in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2B2V from S2C, [Save to disk] Re-refined 2b2v structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2B2V 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 2B2V

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 2B2V, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2b2v_B] [2b2v_C] [2b2v] [2b2v_D] [2b2v_A] SWISS-PROT database: [O14646] [P68431] Domain organization of [CHD1_HUMAN] [H31_HUMAN] by SWISSPFAM Domain found in 2B2V: [CHROMO ] by SMART

Other resources with information on 2B2V

Community annotation for 2B2V at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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