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discounted EARLY registration ends Dec 31, 2014
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Escherichia coli K-12 substr. MG1655 Reaction: [no EC number assigned]

Superclasses: Reactions Classified By Conversion Type Simple Reactions Chemical Reactions Protein-Modification Reactions
Reactions Classified By Substrate Macromolecule Reactions Protein-Reactions Protein-Modification Reactions

In Pathway: NarQ Two-Component Signal Transduction System, nitrate dependent

The reaction direction shown, that is, A + B ↔ C + D versus C + D ↔ A + B, is in accordance with the direction in which it was curated.

Mass balance status: Balanced.

Summary:
In this reaction nitrate/nitrite response regulator NarP is phosphorylated by phospho-NarQ sensor protein.
In the presence of both nitrate and nitrite the nitrate/nitrite response regulator NarP can be phosphorylated by both nitrate/nitrite sensor kinase-phosphotransferases phospho-NarX and phospho-NarQ. In this activated state phospho-NarP can act as an activator of transcription of the fdnG operon and nitrate or nitrite reductase systems and repressor of expression of genes for other anaerobic systems. [Hoch95, Rabin93]

Citations: [Parkinson93, Stock90, Pao95, Parkinson92]


References

Hoch95: Hoch, JA, Silhavy, TJ "Two-Component Signal Transduction." ASM Press, Washington, D.C. 1995.

Pao95: Pao GM, Saier MH (1995). "Response regulators of bacterial signal transduction systems: selective domain shuffling during evolution." J Mol Evol 1995;40(2);136-54. PMID: 7699720

Parkinson92: Parkinson JS, Kofoid EC (1992). "Communication modules in bacterial signaling proteins." Annu Rev Genet 1992;26;71-112. PMID: 1482126

Parkinson93: Parkinson JS (1993). "Signal transduction schemes of bacteria." Cell 1993;73(5);857-71. PMID: 8098993

Rabin93: Rabin RS, Stewart V (1993). "Dual response regulators (NarL and NarP) interact with dual sensors (NarX and NarQ) to control nitrate- and nitrite-regulated gene expression in Escherichia coli K-12." J Bacteriol 1993;175(11);3259-68. PMID: 8501030

Stock90: Stock JB, Stock AM, Mottonen JM (1990). "Signal transduction in bacteria." Nature 1990;344(6265);395-400. PMID: 2157156


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 18.5 on Fri Dec 19, 2014, biocyc14.