3W8J

Crystal structure of P5 a0 in a complex with Prx4 c-term


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.10 Å
  • R-Value Free: 0.245 
  • R-Value Work: 0.182 
  • R-Value Observed: 0.185 

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Literature

Synergistic cooperation of PDI family members in peroxiredoxin 4-driven oxidative protein folding

Sato, Y.Kojima, R.Okumura, M.Hagiwara, M.Masui, S.Maegawa, K.Saiki, M.Horibe, T.Suzuki, M.Inaba, K.

(2013) Sci Rep 3: 2456-2456

  • DOI: 10.1038/srep02456
  • Primary Citation of Related Structures:  
    3W8J, 3VWU, 3VWV, 3VWW

  • PubMed Abstract: 
  • The mammalian endoplasmic reticulum (ER) harbors disulfide bond-generating enzymes, including Ero1α and peroxiredoxin 4 (Prx4), and nearly 20 members of the protein disulfide isomerase family (PDIs), which together constitute a suitable environment f ...

    The mammalian endoplasmic reticulum (ER) harbors disulfide bond-generating enzymes, including Ero1α and peroxiredoxin 4 (Prx4), and nearly 20 members of the protein disulfide isomerase family (PDIs), which together constitute a suitable environment for oxidative protein folding. Here, we clarified the Prx4 preferential recognition of two PDI family proteins, P5 and ERp46, and the mode of interaction between Prx4 and P5 thioredoxin domain. Detailed analyses of oxidative folding catalyzed by the reconstituted Prx4-PDIs pathways demonstrated that, while P5 and ERp46 are dedicated to rapid, but promiscuous, disulfide introduction, PDI is an efficient proofreader of non-native disulfides. Remarkably, the Prx4-dependent formation of native disulfide bonds was accelerated when PDI was combined with ERp46 or P5, suggesting that PDIs work synergistically to increase the rate and fidelity of oxidative protein folding. Thus, the mammalian ER seems to contain highly systematized oxidative networks for the efficient production of large quantities of secretory proteins.


    Organizational Affiliation

    1] Division of Protein Chemistry, Medical Institute of Bioregulation, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan [2].



Macromolecules
Find similar proteins by:  (by identity cutoff)  |  Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
Protein disulfide-isomerase A6AB142Homo sapiensMutation(s): 1 
Gene Names: PDIA6ERP5P5TXNDC7
EC: 5.3.4.1
Find proteins for Q15084 (Homo sapiens)
Explore Q15084 
Go to UniProtKB:  Q15084
NIH Common Fund Data Resources
PHAROS  Q15084
Protein Feature View
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  • Reference Sequence
  • Find similar proteins by:  Sequence   |   Structure
Entity ID: 2
MoleculeChainsSequence LengthOrganismDetailsImage
C-terminal peptide from Peroxiredoxin-4CD20Mus musculusMutation(s): 0 
Gene Names: Prdx4
EC: 1.11.1.15 (PDB Primary Data), 1.11.1.24 (UniProt)
Find proteins for O08807 (Mus musculus)
Explore O08807 
Go to UniProtKB:  O08807
Protein Feature View
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  • Reference Sequence
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.10 Å
  • R-Value Free: 0.245 
  • R-Value Work: 0.182 
  • R-Value Observed: 0.185 
  • Space Group: P 21 21 21
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 39.045α = 90
b = 53.375β = 90
c = 133.353γ = 90
Software Package:
Software NamePurpose
HKL-2000data collection
PHASERphasing
PHENIXrefinement
HKL-2000data reduction
HKL-2000data scaling

Structure Validation

View Full Validation Report



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2013-09-04
    Type: Initial release