2O9K

WDR5 in Complex with Dimethylated H3K4 Peptide


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.9 Å
  • R-Value Free: 0.226 
  • R-Value Work: 0.174 

wwPDB Validation 3D Report Full Report


This is version 1.2 of the entry. See complete history

Literature

Structural Basis for Molecular Recognition and Presentation of Histone H3 by Wdr5.

Schuetz, A.Allali-Hassani, A.Loppnau, P.Vedadi, M.Bochkarev, A.Plotnikov, A.N.Arrowsmith, C.H.Min, J.

(2006) Embo J. 25: 4245-4252

  • DOI: 10.1038/sj.emboj.7601316
  • Primary Citation of Related Structures:  

  • PubMed Abstract: 
  • Histone methylation at specific lysine residues brings about various downstream events that are mediated by different effector proteins. The WD40 domain of WDR5 represents a new class of histone methyl-lysine recognition domains that is important for ...

    Histone methylation at specific lysine residues brings about various downstream events that are mediated by different effector proteins. The WD40 domain of WDR5 represents a new class of histone methyl-lysine recognition domains that is important for recruiting H3K4 methyltransferases to K4-dimethylated histone H3 tail as well as for global and gene-specific K4 trimethylation. Here we report the crystal structures of full-length WDR5, WDR5Delta23 and its complexes with unmodified, mono-, di- and trimethylated histone H3K4 peptides. The structures reveal that WDR5 is able to bind all of these histone H3 peptides, but only H3K4me2 peptide forms extra interactions with WDR5 by use of both water-mediated hydrogen bonding and the altered hydrophilicity of the modified lysine 4. We propose a mechanism for the involvement of WDR5 in binding and presenting histone H3K4 for further methylation as a component of MLL complexes.


    Organizational Affiliation

    Structural Genomics Consortium, University of Toronto, Toronto, Ontario, Canada.




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
WD repeat protein 5
A, C
313Homo sapiensMutation(s): 0 
Gene Names: WDR5 (BIG3)
Find proteins for P61964 (Homo sapiens)
Go to Gene View: WDR5
Go to UniProtKB:  P61964
Entity ID: 2
MoleculeChainsSequence LengthOrganismDetails
H3 HISTONE
B, D
11N/AMutation(s): 0 
Protein Feature View is not available: No corresponding UniProt sequence found.
Small Molecules
Modified Residues  1 Unique
IDChainsTypeFormula2D DiagramParent
MLY
Query on MLY
B, D
L-PEPTIDE LINKINGC8 H18 N2 O2LYS
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.9 Å
  • R-Value Free: 0.226 
  • R-Value Work: 0.174 
  • Space Group: C 1 2 1
Unit Cell:
Length (Å)Angle (°)
a = 134.045α = 90.00
b = 46.975β = 117.26
c = 112.236γ = 90.00
Software Package:
Software NamePurpose
CrystalCleardata reduction
SCALEPACKdata scaling
REFMACrefinement
DENZOdata reduction
MOLREPphasing

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2006-12-19
    Type: Initial release
  • Version 1.1: 2008-05-01
    Type: Version format compliance
  • Version 1.2: 2011-07-13
    Type: Version format compliance