3IVF

Crystal structure of the talin head FERM domain


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.94 Å
  • R-Value Free: 0.257 
  • R-Value Work: 0.193 

wwPDB Validation 3D Report Full Report


This is version 1.3 of the entry. See complete history

Literature

The Structure of the talin head reveals a novel extended conformation of the FERM domain

Elliott, P.R.Goult, B.T.Kopp, P.M.Bate, N.Grossmann, J.G.Roberts, G.C.K.Critchley, D.R.Barsukov, I.L.

(2010) Structure 18: 1289-1299

  • DOI: 10.1016/j.str.2010.07.011

  • PubMed Abstract: 
  • FERM domains are found in a diverse superfamily of signaling and adaptor proteins at membrane interfaces. They typically consist of three separately folded domains (F1, F2, F3) in a compact cloverleaf structure. The crystal structure of the N-termina ...

    FERM domains are found in a diverse superfamily of signaling and adaptor proteins at membrane interfaces. They typically consist of three separately folded domains (F1, F2, F3) in a compact cloverleaf structure. The crystal structure of the N-terminal head of the integrin-associated cytoskeletal protein talin reported here reveals a novel FERM domain with a linear domain arrangement, plus an additional domain F0 packed against F1. While F3 binds β-integrin tails, basic residues in F1 and F2 are required for membrane association and for integrin activation. We show that these same residues are also required for cell spreading and focal adhesion assembly in cells. We suggest that the extended conformation of the talin head allows simultaneous binding to integrins via F3 and to PtdIns(4,5)P2-enriched microdomains via basic residues distributed along one surface of the talin head, and that these multiple interactions are required to stabilize integrins in the activated state.


    Organizational Affiliation

    School of Biological Sciences, University of Liverpool, Crown Street, Liverpool, L69 7ZB, UK.




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
Talin-1
A
371Mus musculusMutation(s): 0 
Gene Names: Tln1 (Tln)
Find proteins for P26039 (Mus musculus)
Go to UniProtKB:  P26039
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.94 Å
  • R-Value Free: 0.257 
  • R-Value Work: 0.193 
  • Space Group: P 2 21 21
Unit Cell:
Length (Å)Angle (°)
a = 40.260α = 90.00
b = 72.160β = 90.00
c = 162.830γ = 90.00
Software Package:
Software NamePurpose
ADSCdata collection
DENZOdata reduction
SCALEPACKdata scaling
MOSFLMdata reduction
PHASERphasing
REFMACrefinement
PDB_EXTRACTdata extraction

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2010-08-18
    Type: Initial release
  • Version 1.1: 2011-07-13
    Type: Version format compliance
  • Version 1.2: 2011-11-30
    Type: Database references
  • Version 1.3: 2017-11-01
    Type: Advisory, Refinement description