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Escherichia coli K-12 substr. MG1655 Reaction: 1.7.99.4

Superclasses: Reactions Classified By Conversion Type Simple Reactions Chemical Reactions Composite Reactions Electron-Transfer-Reactions
Reactions Classified By Substrate Small-Molecule Reactions

EC Number: 1.7.99.4

Enzymes and Genes:
periplasmic nitrate reductase Inferred from experiment : napB , napC , napH , napG , napA

In Pathway: nitrate reduction X (periplasmic, dissimilatory)

Note that this reaction equation differs from the official Enzyme Commission reaction equations for this EC number.

Transport reaction diagram

Reaction Locations: inner membrane (sensu Gram-negative Bacteria)

The reaction direction shown, that is, A + B ↔ C + D versus C + D ↔ A + B, is in accordance with the Enzyme Commission system.

Mass balance status: Balanced.

Enzyme Commission Primary Name: nitrate reductase

Enzyme Commission Synonyms: respiratory nitrate reductase, nitrate reductase (acceptor), nitrite:(acceptor) oxidoreductase

Enzyme Commission Summary:
This is the first reaction in the anaerobic pathway of denitrification. The nitrogen cycle on earth consists of dinitrogen fixation to NH4, oxidation to nitrate and denitrification to dinitrogen.

Citations: [Rosso73, Radcliffe70]

Gene-Reaction Schematic: ?

Gene-Reaction Schematic

Relationship Links: BRENDA:EC:1.7.99.4 , ENZYME:EC:1.7.99.4 , IUBMB-ExplorEnz:EC:1.7.99.4

Credits:
Created 19-Nov-2009 by Keseler I , SRI International


References

Radcliffe70: Radcliffe BC, Nicholas DJ (1970). "Some properties of a nitrate reductase from Pseudomonas denitrificans." Biochim Biophys Acta 205(2);273-87. PMID: 4316095

Rosso73: Rosso JP, Forget P, Pichinoty F (1973). "[Bacterial nitrate reductases. Solubilization, purification and properties of the enzyme A of Micrococcus halodenitrificans (author's transl)]." Biochim Biophys Acta 321(2);443-55. PMID: 4762405


Report Errors or Provide Feedback
Please cite the following article in publications resulting from the use of EcoCyc: Nucleic Acids Research 41:D605-12 2013
Page generated by SRI International Pathway Tools version 19.0 on Fri Aug 28, 2015, BIOCYC14A.