2QDN

Crystal Structure of mouse GITRL


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.09 Å
  • R-Value Free: 0.229 
  • R-Value Work: 0.174 

wwPDB Validation 3D Report Full Report


This is version 1.2 of the entry. See complete history

Literature

Evolution of GITRL immune function: murine GITRL exhibits unique structural and biochemical properties within the TNF superfamily.

Chattopadhyay, K.Ramagopal, U.A.Brenowitz, M.Nathenson, S.G.Almo, S.C.

(2008) Proc.Natl.Acad.Sci.Usa 105: 635-640

  • DOI: 10.1073/pnas.0710529105
  • Primary Citation of Related Structures:  

  • PubMed Abstract: 
  • Glucocorticoid-induced TNF receptor ligand (GITRL), a recently identified member of the TNF superfamily, binds to its receptor, GITR, on both effector and regulatory T cells and generates positive costimulatory signals implicated in a wide range of T ...

    Glucocorticoid-induced TNF receptor ligand (GITRL), a recently identified member of the TNF superfamily, binds to its receptor, GITR, on both effector and regulatory T cells and generates positive costimulatory signals implicated in a wide range of T cell functions. In contrast to all previously characterized homotrimeric TNF family members, the mouse GITRL crystal structure reveals a previously unrecognized dimeric assembly that is stabilized via a unique "domain-swapping" interaction. Consistent with its crystal structure, mouse GITRL exists as a stable dimer in solution. Structure-guided mutagenesis studies confirmed the determinants responsible for dimerization and support a previously unrecognized receptor-recognition surface for mouse GITRL that has not been observed for any other TNF family members. Taken together, the unique structural and biochemical behavior of mouse GITRL, along with the unusual domain organization of murine GITR, support a previously unrecognized mechanism for signaling within the TNF superfamily.


    Organizational Affiliation

    Department of Microbiology and Immunology, Albert Einstein College of Medicine, Bronx, NY 10461, USA.




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
GITR ligand
A, B
132Mus musculusMutation(s): 0 
Gene Names: Tnfsf18 (Gitrl)
Find proteins for Q7TS55 (Mus musculus)
Go to UniProtKB:  Q7TS55
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.09 Å
  • R-Value Free: 0.229 
  • R-Value Work: 0.174 
  • Space Group: P 21 21 21
Unit Cell:
Length (Å)Angle (°)
a = 52.923α = 90.00
b = 71.514β = 90.00
c = 70.188γ = 90.00
Software Package:
Software NamePurpose
HKL-2000data reduction
SHELXDphasing
SHELXEmodel building
DENZOdata reduction
SCALEPACKdata scaling
PDB_EXTRACTdata extraction
REFMACrefinement
ADSCdata collection

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2008-01-01
    Type: Initial release
  • Version 1.1: 2011-07-13
    Type: Derived calculations, Version format compliance
  • Version 1.2: 2017-10-18
    Type: Refinement description