1JK9

Heterodimer between H48F-ySOD1 and yCCS

Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.90 Å
  • R-Value Free: 0.260 
  • R-Value Work: 0.217 
  • R-Value Observed: 0.217 

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This is version 1.4 of the entry. See complete history. 


Literature

Heterodimeric structure of superoxide dismutase in complex with its metallochaperone.

Lamb, A.L., Torres, A.S., O'Halloran, T.V., Rosenzweig, A.C.

(2001) Nat Struct Biol 8: 751-755

  • DOI: https://doi.org/10.1038/nsb0901-751
  • Primary Citation of Related Structures:  
    1JK9

  • PubMed Abstract: 

    The copper chaperone for superoxide dismutase (CCS) activates the eukaryotic antioxidant enzyme copper, zinc superoxide dismutase (SOD1). The 2.9 A resolution structure of yeast SOD1 complexed with yeast CCS (yCCS) reveals that SOD1 interacts with its metallochaperone to form a complex comprising one monomer of each protein. The heterodimer interface is remarkably similar to the SOD1 and yCCS homodimer interfaces. Striking conformational rearrangements are observed in both the chaperone and target enzyme upon complex formation, and the functionally essential C-terminal domain of yCCS is well positioned to play a key role in the metal ion transfer mechanism. This domain is linked to SOD1 by an intermolecular disulfide bond that may facilitate or regulate copper delivery.

    • Organizational Affiliation: 

    Department of Biochemistry, Molecular Biology and Cell Biology, Northwestern University, Evanston, Illinois 60208, USA.


Macromolecules
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Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
superoxide dismutase
A, C
153Saccharomyces cerevisiaeMutation(s): 1 
EC: 1.15.1.1
UniProt
Find proteins for P00445 (Saccharomyces cerevisiae (strain ATCC 204508 / S288c))
Explore P00445 
Go to UniProtKB:  P00445
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP00445
Sequence Annotations
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  • Reference Sequence
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(by identity cutoff)  |  3D Structure
Entity ID: 2
MoleculeChains Sequence LengthOrganismDetailsImage
copper chaperone for superoxide dismutase
B, D
249Saccharomyces cerevisiaeMutation(s): 0 
UniProt
Find proteins for P40202 (Saccharomyces cerevisiae (strain ATCC 204508 / S288c))
Explore P40202 
Go to UniProtKB:  P40202
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP40202
Sequence Annotations
Expand
  • Reference Sequence
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.90 Å
  • R-Value Free: 0.260 
  • R-Value Work: 0.217 
  • R-Value Observed: 0.217 
  • Space Group: P 32 2 1
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 104.09α = 90
b = 104.09β = 90
c = 233.71γ = 120
Software Package:
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
AMoREphasing
CNSrefinement

Structure Validation

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View more in-depth experimental data
Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2001-09-05
    Type: Initial release
  • Version 1.1: 2008-04-27
    Changes: Version format compliance
  • Version 1.2: 2011-07-13
    Changes: Version format compliance
  • Version 1.3: 2021-10-27
    Changes: Database references, Derived calculations
  • Version 1.4: 2024-04-03
    Changes: Data collection, Refinement description