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PDBsum entry 2e46

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protein metals links
Metal binding protein PDB id
2e46
Jmol
Contents
Protein chain
157 a.a. *
Metals
_CU ×2
_ZN
Waters ×56
* Residue conservation analysis
PDB id:
2e46
Name: Metal binding protein
Title: Crystal structure analysis of the clock protein ea4
Structure: Time interval measuring enzyme time. Chain: a. Fragment: residues 0-156. Synonym: ea4. Engineered: yes
Source: Bombyx mori. Domestic silkworm. Organism_taxid: 7091. Expressed in: escherichia coli bl21(de3). Expression_system_taxid: 469008.
Resolution:
2.30Å     R-factor:   0.212     R-free:   0.285
Authors: S.-Y.Park,T.Hiraki
Key ref: T.Hiraki et al. The clock protein ea4 ticks away with movement of a mobile copper ion. To be published, .
Date:
05-Dec-06     Release date:   05-Feb-08    
PROCHECK
Go to PROCHECK summary
 Headers
 References

Protein chain
Pfam   ArchSchema ?
Q08J22  (Q08J22_BOMMO) -  Diapause bioclock protein
Seq:
Struc:
172 a.a.
157 a.a.*
Key:    PfamA domain  Secondary structure  CATH domain
* PDB and UniProt seqs differ at 1 residue position (black cross)

 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!
  Biological process     oxidation-reduction process   3 terms 
  Biochemical function     oxidoreductase activity     3 terms