3CTG

Crystal structure of reduced glutaredoxin 2

Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.50 Å
  • R-Value Free: 0.199 
  • R-Value Work: 0.199 
  • R-Value Observed: 0.199 

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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:  
    3CTF, 3CTG

  • 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 been proved to play different roles during oxidative stress and to possess different glutathione-disulfide reductase activities ...

    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
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(by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
Glutaredoxin-2A129Saccharomyces cerevisiaeMutation(s): 0 
Gene Names: GRX2, TTR, TTR1, YDR513W, D9719.17
EC: 1.20.4.1 (PDB Primary Data), 1.11.1.9 (UniProt), 2.5.1.18 (UniProt)
UniProt
Find proteins for P17695 (Saccharomyces cerevisiae (strain ATCC 204508 / S288c))
Explore P17695 
Go to UniProtKB:  P17695
Protein Feature View
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  • Reference Sequence
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.50 Å
  • R-Value Free: 0.199 
  • R-Value Work: 0.199 
  • R-Value Observed: 0.199 
  • Space Group: P 43
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 41.63α = 90
b = 41.63β = 90
c = 78.39γ = 90
Software Package:
Software NamePurpose
CNSrefinement
MAR345dtbdata collection
AUTOMARdata reduction
CNSphasing

Structure Validation

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Entry History 

Deposition Data

Revision History  (Full details and data files)

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