2B2T Peptide Binding Protein date Sep 19, 2005
title Tandem Chromodomains Of Human Chd1 Complexed With Histone H3 Tail Containing Trimethyllysine 4 And Phosphothreonine 3
authors J.F.Flanagan Iv, L.Z.Mi, M.Chruszcz, M.Cymborowski, K.L.Clines, Y.Kim, 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
Mutation: 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 Tail
Chain: D
Fragment: Residues 1-19
Engineered: Yes

Synthetic: Yes
Other_details: This Sequence Occurs Naturally In Homo Sapiens (Humans).
symmetry Space Group: C 1 2 1
R_factor 0.218 R_Free 0.266
crystal
cell
length a length b length c angle alpha angle beta angle gamma
111.986 54.686 100.989 90.00 112.15 90.00
method X-Ray Diffractionresolution 2.45 Å
ligand M3L, MSE, TPO enzyme
Primary referenceDouble 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] (86 Kb) [Save to disk]
  • Biological Unit Coordinates (2b2t.pdb1.gz) 79 Kb
  • LPC: Ligand-Protein Contacts for 2B2T
  • CSU: Contacts of Structural Units for 2B2T
  • Likely Quarternary Molecular Structure file(s) for 2B2T
  • Structure Factors (2157 Kb)
  • Retrieve 2B2T in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 2B2T from S2C, [Save to disk]
  • Re-refined 2b2t structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 2B2T 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 2B2T
  • 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 2B2T, from MSDmotif at EBI
  • Fold representative 2b2t from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [2b2t_D] [2b2t] [2b2t_B] [2b2t_A] [2b2t_C]
  • SWISS-PROT database: [O14646] [P68431]
  • Domain organization of [CHD1_HUMAN] [H31_HUMAN] by SWISSPFAM
  • Domain found in 2B2T: [CHROMO ] by SMART
  • Other resources with information on 2B2T
  • Community annotation for 2B2T at PDBWiki (http://pdbwiki.org)
  • MMDB (Entrez's Structure Database)
  • Movements, Movies and Images
  • Images from IMB Jena Image Library of Biological Macromolecules.

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