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PDBsum entry 1mmm

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protein ligands metals Protein-protein interface(s) links
Oxidoreductase PDB id
1mmm
Jmol
Contents
Protein chains
205 a.a. *
Ligands
_OH ×3
Metals
_FE ×2
Waters ×284
* Residue conservation analysis
PDB id:
1mmm
Name: Oxidoreductase
Title: Distinct metal environment in iron-substituted manganese superoxide dismutase provides a structural basis of metal specificity
Structure: Protein (iron-substituted manganese superoxide dismutase). Chain: a, b. Synonym: fe-mnsod, fe-mnsd. Ec: 1.15.1.1
Source: Escherichia coli. Organism_taxid: 562. Strain: ab2463/pdt1-5
Biol. unit: Dimer (from PQS)
Resolution:
2.20Å     R-factor:   0.192     R-free:   0.231
Authors: R.A.Edwards,M.M.Whittaker,J.W.Whittaker,G.B.Jameson, E.N.Baker
Key ref: R.A.Edwards et al. (1998). Distinct metal environment in fe-Substituted manganese superoxide dismutase provides a structural basis of metal specificity. J.Am.Chem.Soc., 120, 9684-9685.
Date:
26-Aug-98     Release date:   02-Sep-98    
PROCHECK
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 Headers
 References

Protein chains
Pfam   ArchSchema ?
P00448  (SODM_ECOLI) -  Superoxide dismutase [Mn]
Seq:
Struc:
206 a.a.
206 a.a.
Key:    PfamA domain  Secondary structure  CATH domain

 Enzyme reactions 
   Enzyme class: E.C.1.15.1.1  - Superoxide dismutase.
[IntEnz]   [ExPASy]   [KEGG]   [BRENDA]
      Reaction: 2 superoxide + 2 H+ = O2 + H2O2
2 × superoxide
+ 2 × H(+)
= O(2)
+ H(2)O(2)
      Cofactor: Fe cation or Mn(2+) or (Zn(2+) and Cu cation)
Molecule diagrams generated from .mol files obtained from the KEGG ftp site
 Gene Ontology (GO) functional annotation 
  GO annot!
  Cellular component     cytoplasm   1 term 
  Biological process     cellular response to selenium ion   7 terms 
  Biochemical function     antioxidant activity     6 terms