4KRR

Crystal structure of Drosophila WntD N-terminal domain-linker (residues 31-240)


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.124 Å
  • R-Value Free: 0.203 
  • R-Value Work: 0.179 

wwPDB Validation 3D Report Full Report


This is version 1.1 of the entry. See complete history

Literature

Structural Studies of Wnts and Identification of an LRP6 Binding Site.

Chu, M.L.Ahn, V.E.Choi, H.J.Daniels, D.L.Nusse, R.Weis, W.I.

(2013) Structure 21: 1235-1242

  • DOI: 10.1016/j.str.2013.05.006

  • PubMed Abstract: 
  • Wnts are secreted growth factors that have critical roles in cell fate determination and stem cell renewal. The Wnt/β-catenin pathway is initiated by binding of a Wnt protein to a Frizzled (Fzd) receptor and a coreceptor, LDL receptor-related protein ...

    Wnts are secreted growth factors that have critical roles in cell fate determination and stem cell renewal. The Wnt/β-catenin pathway is initiated by binding of a Wnt protein to a Frizzled (Fzd) receptor and a coreceptor, LDL receptor-related protein 5 or 6 (LRP5/6). We report the 2.1 Å resolution crystal structure of a Drosophila WntD fragment encompassing the N-terminal domain and the linker that connects it to the C-terminal domain. Differences in the structures of WntD and Xenopus Wnt8, including the positions of a receptor-binding β hairpin and a large solvent-filled cavity in the helical core, indicate conformational plasticity in the N-terminal domain that may be important for Wnt-Frizzled specificity. Structure-based mutational analysis of mouse Wnt3a shows that the linker between the N- and C-terminal domains is required for LRP6 binding. These findings provide important insights into Wnt function and evolution.


    Organizational Affiliation

    Departments of Structural Biology and Molecular and Cellular Physiology, Stanford University School of Medicine, Stanford, CA 94305, USA.




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
Wnt inhibitor of Dorsal protein
A
221Drosophila melanogasterGene Names: wntD (Wnt8)
Find proteins for Q9VFX1 (Drosophila melanogaster)
Go to UniProtKB:  Q9VFX1
Small Molecules
Ligands 2 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
NA
Query on NA

Download SDF File 
Download CCD File 
A
SODIUM ION
Na
FKNQFGJONOIPTF-UHFFFAOYSA-N
 Ligand Interaction
GOL
Query on GOL

Download SDF File 
Download CCD File 
A
GLYCEROL
GLYCERIN; PROPANE-1,2,3-TRIOL
C3 H8 O3
PEDCQBHIVMGVHV-UHFFFAOYSA-N
 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.124 Å
  • R-Value Free: 0.203 
  • R-Value Work: 0.179 
  • Space Group: P 41
Unit Cell:
Length (Å)Angle (°)
a = 59.625α = 90.00
b = 59.625β = 90.00
c = 66.955γ = 90.00
Software Package:
Software NamePurpose
PDB_EXTRACTdata extraction
XDSdata reduction
SCALAdata scaling
Blu-Icedata collection
PHASERphasing
CNSrefinement
PHENIXrefinement

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2013-07-10
    Type: Initial release
  • Version 1.1: 2013-07-17
    Type: Database references