Biology:Alcohol dehydrogenase (cytochrome c)

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Short description: Class of enzymes
Alcohol dehydrogenase (cytochrome c)
Identifiers
EC number1.1.2.8
Databases
IntEnzIntEnz view
BRENDABRENDA entry
ExPASyNiceZyme view
KEGGKEGG entry
MetaCycmetabolic pathway
PRIAMprofile
PDB structuresRCSB PDB PDBe PDBsum

Alcohol dehydrogenase (cytochrome c) (EC 1.1.2.8, type I quinoprotein alcohol dehydrogenase, quinoprotein ethanol dehydrogenase) is an enzyme with systematic name alcohol:cytochrome c oxidoreductase.[1][2][3][4][5][6] This enzyme catalyses the following chemical reaction

a primary alcohol + 2 ferricytochrome c [math]\displaystyle{ \rightleftharpoons }[/math] an aldehyde + 2 ferrocytochrome c + 2 H+

A periplasmic PQQ-containing quinoprotein is present in Pseudomonas and Rhodopseudomonas.

References

  1. "Purification, crystallisation and characterization of quinoprotein ethanol dehydrogenase from Pseudomonas aeruginosa". Biological Chemistry Hoppe-Seyler 369 (6): 431–9. June 1988. doi:10.1515/bchm3.1988.369.1.431. PMID 3144289. 
  2. "Three distinct quinoprotein alcohol dehydrogenases are expressed when Pseudomonas putida is grown on different alcohols". Journal of Bacteriology 177 (9): 2442–50. May 1995. doi:10.1128/jb.177.9.2442-2450.1995. PMID 7730276. 
  3. "Cytochrome c550 is an essential component of the quinoprotein ethanol oxidation system in Pseudomonas aeruginosa: cloning and sequencing of the genes encoding cytochrome c550 and an adjacent acetaldehyde dehydrogenase". Microbiology 145 ( Pt 2): 471–81. February 1999. doi:10.1099/13500872-145-2-471. PMID 10075429. 
  4. "X-ray structure of the quinoprotein ethanol dehydrogenase from Pseudomonas aeruginosa: basis of substrate specificity". Journal of Molecular Biology 297 (4): 961–74. April 2000. doi:10.1006/jmbi.2000.3603. PMID 10736230. 
  5. "Characterisation of the PQQ cofactor radical in quinoprotein ethanol dehydrogenase of Pseudomonas aeruginosa by electron paramagnetic resonance spectroscopy". FEBS Letters 564 (1-2): 69–72. April 2004. doi:10.1016/S0014-5793(04)00317-5. PMID 15094044. 
  6. "Quinoprotein ethanol dehydrogenase from Pseudomonas aeruginosa: the unusual disulfide ring formed by adjacent cysteine residues is essential for efficient electron transfer to cytochrome c550". Archives of Microbiology 191 (4): 361–7. April 2009. doi:10.1007/s00203-009-0460-4. PMID 19224199. 

External links