1DDW

HOMER EVH1 DOMAIN UNLIGANDED


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.70 Å
  • R-Value Free: 0.285 
  • R-Value Work: 0.245 
  • R-Value Observed: 0.245 

wwPDB Validation 3D Report Full Report


This is version 1.3 of the entry. See complete history


Literature

Structure of the Homer EVH1 domain-peptide complex reveals a new twist in polyproline recognition.

Beneken, J.Tu, J.C.Xiao, B.Nuriya, M.Yuan, J.P.Worley, P.F.Leahy, D.J.

(2000) Neuron 26: 143-154

  • DOI: 10.1016/s0896-6273(00)81145-9
  • Primary Citation of Related Structures:  
    1DDW, 1DDV

  • PubMed Abstract: 
  • Homer EVH1 (Ena/VASP Homology 1) domains interact with proline-rich motifs in the cytoplasmic regions of group 1 metabotropic glutamate receptors (mGluRs), inositol-1,4,5-trisphosphate receptors (IP3Rs), and Shank proteins. We have determined the cry ...

    Homer EVH1 (Ena/VASP Homology 1) domains interact with proline-rich motifs in the cytoplasmic regions of group 1 metabotropic glutamate receptors (mGluRs), inositol-1,4,5-trisphosphate receptors (IP3Rs), and Shank proteins. We have determined the crystal structure of the Homer EVH1 domain complexed with a peptide from mGluR (TPPSPF). In contrast to other EVH1 domains, the bound mGluR ligand assumes an unusual conformation in which the side chains of the Ser-Pro tandem are oriented away from the Homer surface, and the Phe forms a unique contact. This unusual binding mode rationalizes conserved features of both Homer and Homer ligands that are not shared by other EVH1 domains. Site-directed mutagenesis confirms the importance of specific Homer residues for ligand binding. These results establish a molecular basis for understanding the biological properties of Homer-ligand complexes.


    Related Citations: 
    • Homer binds a novel proline-rich motif and links group 1 metabotropic glutamate receptors with IP3 receptors
      Tu, J.C., Xiao, B., Yuan, J.P., Lanahan, A.A., Worley, P.F., Leoffert, K., Li, M., Linden, D.J.
      (1998) Neuron 21: 717

    Organizational Affiliation

    Department of Biophysics and Biophysical Chemistry, Johns Hopkins University School of Medicine, Baltimore, Maryland 21205, USA.



Macromolecules
Find similar proteins by:  (by identity cutoff)  |  Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
GLGF-DOMAIN PROTEIN HOMERA120Rattus norvegicusMutation(s): 2 
Gene Names: Homer1HomerVesl
Find proteins for Q9Z214 (Rattus norvegicus)
Explore Q9Z214 
Go to UniProtKB:  Q9Z214
Protein Feature View
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  • Reference Sequence
Small Molecules
Modified Residues  1 Unique
IDChainsTypeFormula2D DiagramParent
MSE
Query on MSE
AL-PEPTIDE LINKINGC5 H11 N O2 SeMET
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.70 Å
  • R-Value Free: 0.285 
  • R-Value Work: 0.245 
  • R-Value Observed: 0.245 
  • Space Group: P 32 2 1
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 49.94α = 90
b = 49.94β = 90
c = 80.91γ = 120
Software Package:
Software NamePurpose
SOLVEphasing
CNSrefinement
SCALEPACKdata scaling

Structure Validation

View Full Validation Report



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2000-05-10
    Type: Initial release
  • Version 1.1: 2008-04-27
    Changes: Version format compliance
  • Version 1.2: 2011-07-13
    Changes: Version format compliance
  • Version 1.3: 2017-10-04
    Changes: Refinement description