3CTF

Crystal structure of oxidized GRX2


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.1 Å
  • R-Value Free: 0.250 
  • R-Value Work: 0.222 

wwPDB Validation 3D Report Full Report


This is version 1.1 of the entry. See complete history

Literature

Structural basis for the different activities of yeast Grx1 and Grx2.

Li, W.F.Yu, J.Ma, X.X.Teng, Y.B.Luo, M.Tang, Y.J.Zhou, C.Z.

(2010) Biochim.Biophys.Acta 1804: 1542-1547

  • DOI: 10.1016/j.bbapap.2010.04.010
  • Primary Citation of Related Structures:  

  • PubMed Abstract: 
  • Yeast glutaredoxins Grx1 and Grx2 catalyze the reduction of both inter- and intra-molecular disulfide bonds using glutathione (GSH) as the electron donor. Although sharing the same dithiolic CPYC active site and a sequence identity of 64%, they have ...

    Yeast glutaredoxins Grx1 and Grx2 catalyze the reduction of both inter- and intra-molecular disulfide bonds using glutathione (GSH) as the electron donor. Although sharing the same dithiolic CPYC active site and a sequence identity of 64%, they have been proved to play different roles during oxidative stress and to possess different glutathione-disulfide reductase activities. To address the structural basis of these differences, we solved the crystal structures of Grx2 in oxidized and reduced forms, at 2.10 A and 1.50 A, respectively. With the Grx1 structures we previously reported, comparative structural analyses revealed that Grx1 and Grx2 share a similar GSH binding site, except for a single residue substitution from Asp89 in Grx1 to Ser123 in Grx2. Site-directed mutagenesis in combination with activity assays further proved this single residue variation is critical for the different activities of yeast Grx1 and Grx2.


    Organizational Affiliation

    Hefei National Laboratory for Physical Sciences at Microscale and School of Life Sciences, University of Science and Technology of China, Hefei Anhui 230027, PR China.




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
Glutaredoxin-2
A
129Saccharomyces cerevisiae (strain ATCC 204508 / S288c)Mutation(s): 0 
Gene Names: GRX2 (TTR, TTR1)
Find proteins for P17695 (Saccharomyces cerevisiae (strain ATCC 204508 / S288c))
Go to UniProtKB:  P17695
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.1 Å
  • R-Value Free: 0.250 
  • R-Value Work: 0.222 
  • Space Group: P 41 21 2
Unit Cell:
Length (Å)Angle (°)
a = 48.770α = 90.00
b = 48.770β = 90.00
c = 96.446γ = 90.00
Software Package:
Software NamePurpose
CNSrefinement
MAR345dtbdata collection
CNSphasing
AUTOMARdata reduction

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2008-11-11
    Type: Initial release
  • Version 1.1: 2011-07-13
    Type: Version format compliance