1JXO

Crystal Structure of the SH3-HOOK-GK Fragment of PSD-95


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.3 Å
  • R-Value Free: 0.264 
  • R-Value Work: 0.220 

wwPDB Validation 3D Report Full Report


This is version 1.2 of the entry. See complete history

Literature

Structural characterization of the intramolecular interaction between the SH3 and guanylate kinase domains of PSD-95.

Tavares, G.A.Panepucci, E.H.Brunger, A.T.

(2001) Mol.Cell 8: 1313-1325

  • Primary Citation of Related Structures:  1JXM

  • PubMed Abstract: 
  • PSD-95/SAP90 is a member of the MAGUK superfamily. In excitatory synapses, PSD-95 clusters receptors and ion channels at specific sites in the postsynaptic membrane and organizes downstream signaling and cytoskeletal molecules. We have determined the ...

    PSD-95/SAP90 is a member of the MAGUK superfamily. In excitatory synapses, PSD-95 clusters receptors and ion channels at specific sites in the postsynaptic membrane and organizes downstream signaling and cytoskeletal molecules. We have determined the crystal structures of the apo and GMP-bound forms to 2.3 and 2.0 A resolutions, respectively, of a fragment containing the SH3, HOOK, and guanylate kinase (GK) domains of PSD-95. We observe an intramolecular interaction between the SH3 and GK domains involving the formation of a beta sheet including residues N- and C-terminal to the GK domain. Based on amino acid conservation and mutational data available in the literature, we propose that this intramolecular interaction is a common feature among MAGUK proteins.


    Organizational Affiliation

    The Howard Hughes Medical Institute and Department of Molecular and Cellular Physiology, Stanford University, 1201 Welch Road P210 MSLS, Stanford, CA 94305, USA.




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
postsynaptic density protein
A, B
301Rattus norvegicusGene Names: Dlg4 (Dlgh4, Psd95)
Find proteins for P31016 (Rattus norvegicus)
Go to UniProtKB:  P31016
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.3 Å
  • R-Value Free: 0.264 
  • R-Value Work: 0.220 
  • Space Group: P 1
Unit Cell:
Length (Å)Angle (°)
a = 45.009α = 89.96
b = 53.410β = 90.00
c = 63.262γ = 91.78
Software Package:
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
CNSphasing
CNSrefinement

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2002-01-16
    Type: Initial release
  • Version 1.1: 2008-04-27
    Type: Version format compliance
  • Version 1.2: 2011-07-13
    Type: Version format compliance