3ZX1

Multicopper oxidase from Campylobacter jejuni: a metallo-oxidase


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.95 Å
  • R-Value Free: 0.207 
  • R-Value Work: 0.160 
  • R-Value Observed: 0.163 

wwPDB Validation   3D Report Full Report


This is version 1.1 of the entry. See complete history


Literature

Crystal Structure of the Multicopper Oxidase from the Pathogenic Bacterium Campylobacter Jejuni Cgug11284: Characterization of a Metallo-Oxidase.

Silva, C.S.Durao, P.Fillat, A.Lindley, P.F.Martins, L.O.Bento, I.

(2012) Metallomics 4: 37

  • DOI: 10.1039/c1mt00156f
  • Primary Citation of Related Structures:  
    3ZX1

  • PubMed Abstract: 
  • Multicopper oxidases are a multi-domain family of enzymes that are able to couple oxidation of substrates with reduction of dioxygen to water. These enzymes are capable of oxidizing a vast range of substrates, varying from aromatic to inorganic compounds such as metals ...

    Multicopper oxidases are a multi-domain family of enzymes that are able to couple oxidation of substrates with reduction of dioxygen to water. These enzymes are capable of oxidizing a vast range of substrates, varying from aromatic to inorganic compounds such as metals. This metallo-oxidase activity observed in several members of this family has been linked to mechanisms of homeostasis in different organisms. Recently, a periplasmic multicopper oxidase, encoded by Campylobacter jejuni, has been characterised and associated with copper homeostasis and with the protection against oxidative stress as it may scavenge metallic ions into their less toxic form and also inhibit the formation of radical oxygen species. In order to contribute to the understanding of its functional role, the crystal structure of the recombinant McoC (Campylobacter jejuni CGUG11284) has been determined at 1.95 Å resolution and its structural and biochemical characterizations undertaken. The results obtained indicate that McoC has the characteristic fold of a laccase having, besides the catalytic centres, another putative binding site for metals. Indeed, its biochemical and enzymatic characterization shows that McoC is essentially a metallo-oxidase, showing low enzymatic efficiency towards phenolic substrates.


    Organizational Affiliation

    Instituto de Tecnologia Química e Biológica, Universidade Nova de Lisboa, Av. da República, 2781-901 Oeiras, Portugal.



Macromolecules
Find similar proteins by:  (by identity cutoff)  |  Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
OXIDOREDUCTASE, PUTATIVEA481Campylobacter jejuni subsp. jejuniMutation(s): 0 
EC: 1.10.3
Find proteins for A0A0H3PBA4 (Campylobacter jejuni subsp. jejuni serotype O:23/36 (strain 81-176))
Explore A0A0H3PBA4 
Go to UniProtKB:  A0A0H3PBA4
Protein Feature View
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  • Reference Sequence
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.95 Å
  • R-Value Free: 0.207 
  • R-Value Work: 0.160 
  • R-Value Observed: 0.163 
  • Space Group: P 1 21 1
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 48.81α = 90
b = 94.86β = 100.63
c = 50.38γ = 90
Software Package:
Software NamePurpose
REFMACrefinement
iMOSFLMdata reduction
SCALAdata scaling
MrBUMPphasing

Structure Validation

View Full Validation Report



Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2011-12-14
    Type: Initial release
  • Version 1.1: 2012-01-18
    Changes: Other