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PDBsum entry 3qjs

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protein ligands metals Protein-protein interface(s) links
Oxidoreductase PDB id
3qjs
Jmol
Contents
Protein chains
557 a.a.
166 a.a.
33 a.a.
Ligands
HEM
HAS-CMO
CUA
Metals
CU1
Waters ×29
PDB id:
3qjs
Name: Oxidoreductase
Title: The structure of and photolytic induced changes of carbon mo binding to the cytochrome ba3-oxidase from thermus thermoph
Structure: CytochromE C oxidase subunit 1. Chain: a. Synonym: cytochromE C ba(3) subunit i, cytochromE C oxidase polypeptide i, cytochrome cba3 subunit 1. Engineered: yes. CytochromE C oxidase subunit 2. Chain: b. Synonym: cytochromE C ba(3) subunit ii, cytochromE C oxidas polypeptide ii, cytochrome cba3 subunit 2.
Source: Thermus thermophilus. Organism_taxid: 300852. Strain: hb8. Gene: cbaa, ttha1135. Expressed in: thermus thermophilus. Expression_system_taxid: 300852. Gene: cbab, ctac, ttha1134. Gene: cbad, ttha1133.
Resolution:
2.80Å     R-factor:   0.218     R-free:   0.265
Authors: B.Liu,Y.Zhang,J.T.Sage,T.Doukov,Y.Chen,C.D.Stout,J.A Fee
Key ref: B.Liu et al. (2012). Structural changes that occur upon photolysis of the Fe(II)(a3)-CO complex in the cytochrome ba(3)-oxidase of Thermus thermophilus: a combined X-ray crystallographic and infrared spectral study demonstrates CO binding to Cu(B). Biochim Biophys Acta, 1817, 658-665. PubMed id: 22226917 DOI: 10.1016/j.bbabio.2011.12.010
Date:
30-Jan-11     Release date:   25-Jan-12    
PROCHECK
Go to PROCHECK summary
 Headers
 References

Protein chain
Pfam   ArchSchema ?
Q5SJ79  (COX1_THET8) -  Cytochrome c oxidase subunit 1
Seq:
Struc:
 
Seq:
Struc:
562 a.a.
557 a.a.*
Protein chain
Pfam   ArchSchema ?
Q5SJ80  (COX2_THET8) -  Cytochrome c oxidase subunit 2
Seq:
Struc:
168 a.a.
166 a.a.*
Protein chain
Pfam   ArchSchema ?
P82543  (COXA_THET8) -  Cytochrome c oxidase polypeptide 2A
Seq:
Struc:
34 a.a.
33 a.a.
Key:    PfamA domain  Secondary structure  CATH domain
* PDB and UniProt seqs differ at 2 residue positions (black crosses)

 Enzyme reactions 
   Enzyme class: Chains A, B, C: E.C.1.9.3.1  - Cytochrome-c oxidase.
[IntEnz]   [ExPASy]   [KEGG]   [BRENDA]
      Reaction: 4 ferrocytochrome c + O2 + 4 H+ = 4 ferricytochrome c + 2 H2O
4 × ferrocytochrome c
Bound ligand (Het Group name = HEM)
matches with 63.64% similarity
+ O(2)
+ 4 × H(+)
= 4 × ferricytochrome c
+ 2 × H(2)O
      Cofactor: Copper
Molecule diagrams generated from .mol files obtained from the KEGG ftp site
 Gene Ontology (GO) functional annotation 
  GO annot!
  Cellular component     membrane   4 terms 
  Biological process     oxidation-reduction process   7 terms 
  Biochemical function     electron carrier activity     7 terms  

 

 
    reference    
 
 
DOI no: 10.1016/j.bbabio.2011.12.010 Biochim Biophys Acta 1817:658-665 (2012)
PubMed id: 22226917  
 
 
Structural changes that occur upon photolysis of the Fe(II)(a3)-CO complex in the cytochrome ba(3)-oxidase of Thermus thermophilus: a combined X-ray crystallographic and infrared spectral study demonstrates CO binding to Cu(B).
B.Liu, Y.Zhang, J.T.Sage, S.M.Soltis, T.Doukov, Y.Chen, C.D.Stout, J.A.Fee.
 
  ABSTRACT  
 
No abstract given.