1EG4

STRUCTURE OF A DYSTROPHIN WW DOMAIN FRAGMENT IN COMPLEX WITH A BETA-DYSTROGLYCAN PEPTIDE


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2 Å
  • R-Value Free: 0.249 
  • R-Value Work: 0.197 

wwPDB Validation 3D Report Full Report


This is version 1.2 of the entry. See complete history

Literature

Structure of a WW domain containing fragment of dystrophin in complex with beta-dystroglycan.

Huang, X.Poy, F.Zhang, R.Joachimiak, A.Sudol, M.Eck, M.J.

(2000) Nat.Struct.Mol.Biol. 7: 634-638

  • DOI: 10.1038/77923
  • Primary Citation of Related Structures:  1EG3

  • PubMed Abstract: 
  • Dystrophin and beta-dystroglycan are components of the dystrophin-glycoprotein complex (DGC), a multimolecular assembly that spans the cell membrane and links the actin cytoskeleton to the extracellular basal lamina. Defects in the dystrophin gene ar ...

    Dystrophin and beta-dystroglycan are components of the dystrophin-glycoprotein complex (DGC), a multimolecular assembly that spans the cell membrane and links the actin cytoskeleton to the extracellular basal lamina. Defects in the dystrophin gene are the cause of Duchenne and Becker muscular dystrophies. The C-terminal region of dystrophin binds the cytoplasmic tail of beta-dystroglycan, in part through the interaction of its WW domain with a proline-rich motif in the tail of beta-dystroglycan. Here we report the crystal structure of this portion of dystrophin in complex with the proline-rich binding site in beta-dystroglycan. The structure shows that the dystrophin WW domain is embedded in an adjacent helical region that contains two EF-hand-like domains. The beta-dystroglycan peptide binds a composite surface formed by the WW domain and one of these EF-hands. Additionally, the structure reveals striking similarities in the mechanisms of proline recognition employed by WW domains and SH3 domains.


    Organizational Affiliation

    Department of Cancer Biology, Dana Farber Cancer Institute, 44 Binney Street, Boston, Massachusetts 02115, USA.




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
BETA-DYSTROGLYCAN
P
15Homo sapiensGene Names: DAG1
Find proteins for Q14118 (Homo sapiens)
Go to Gene View: DAG1
Go to UniProtKB:  Q14118
Entity ID: 2
MoleculeChainsSequence LengthOrganismDetails
DYSTROPHIN
A
261Homo sapiensGene Names: DMD
Find proteins for P11532 (Homo sapiens)
Go to Gene View: DMD
Go to UniProtKB:  P11532
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2 Å
  • R-Value Free: 0.249 
  • R-Value Work: 0.197 
  • Space Group: P 21 21 21
Unit Cell:
Length (Å)Angle (°)
a = 48.680α = 90.00
b = 67.050β = 90.00
c = 83.840γ = 90.00
Software Package:
Software NamePurpose
DMphasing
DENZOdata reduction
DMmodel building
SCALEPACKdata scaling
X-PLORrefinement

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2000-08-23
    Type: Initial release
  • Version 1.1: 2008-04-27
    Type: Version format compliance
  • Version 1.2: 2011-07-13
    Type: Version format compliance