4RUG

Cyrstal structure of SLIT-ROBO Rho GTPase-activating protein 2 fragment


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.73 Å
  • R-Value Free: 0.222 
  • R-Value Work: 0.189 

wwPDB Validation 3D Report Full Report


This is version 1.2 of the entry. See complete history

Literature

The Neuronal Migration Factor srGAP2 Achieves Specificity in Ligand Binding through a Two-Component Molecular Mechanism.

Guez-Haddad, J.Sporny, M.Sasson, Y.Gevorkyan-Airapetov, L.Lahav-Mankovski, N.Margulies, D.Radzimanowski, J.Opatowsky, Y.

(2015) Structure 23: 1989-2000

  • DOI: 10.1016/j.str.2015.08.009
  • Primary Citation of Related Structures:  

  • PubMed Abstract: 
  • srGAP proteins regulate cell migration and morphogenesis by shaping the structure and dynamics of the cytoskeleton and membranes. First discovered as intracellular effectors for the Robo1 axon-guidance receptor, srGAPs were later identified as intera ...

    srGAP proteins regulate cell migration and morphogenesis by shaping the structure and dynamics of the cytoskeleton and membranes. First discovered as intracellular effectors for the Robo1 axon-guidance receptor, srGAPs were later identified as interacting with several other nuclear and cytoplasmic proteins. In all these cases, the srGAP SH3 domain mediates protein-protein interactions by recognizing a short proline-rich segment on the cognate-binding partner. However, as interactions between the isolated SH3 domain and a selected set of ligands show weak affinity and low specificity, it is not clear how srGAPs are precisely recruited to their signaling sites. Here, we report a two-component molecular mechanism that regulates ligand binding to srGAP2 by on the one hand dramatically tightening their association and on the other, moderately autoinhibiting and restricting binding. Our results allow the design of point mutations for better probing of srGAP2 activities, and may facilitate the identification of new srGAP2 ligands.


    Organizational Affiliation

    The Mina & Everard Goodman Faculty of Life Sciences, Bar-Ilan University, Ramat Gan 5290002, Israel.




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
SLIT-ROBO Rho GTPase-activating protein 2
A, B
92Homo sapiensMutation(s): 0 
Gene Names: SRGAP2 (ARHGAP34, FNBP2, KIAA0456, SRGAP2A)
Find proteins for O75044 (Homo sapiens)
Go to Gene View: SRGAP2
Go to UniProtKB:  O75044
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.73 Å
  • R-Value Free: 0.222 
  • R-Value Work: 0.189 
  • Space Group: P 1 21 1
Unit Cell:
Length (Å)Angle (°)
a = 49.510α = 90.00
b = 31.350β = 113.07
c = 62.830γ = 90.00
Software Package:
Software NamePurpose
EDNAdata collection
REFMACrefinement
BALBESphasing
XDSdata scaling
XDSdata reduction

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2015-11-04
    Type: Initial release
  • Version 1.1: 2015-11-18
    Type: Database references
  • Version 1.2: 2017-11-22
    Type: Refinement description