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References Suggestions


Standard Name


Gene Synonym(s)

ECK0722, b0734, JW0723, cyd-2[1]

Product Desc.

cytochrome bd-I terminal oxidase subunit II[2][3];

Component of cytochrome bd-I terminal oxidase[2][3]

Cytochrome d (bd-I) terminal oxidase subunit II; upregulated in biofilms and microaerobic conditions; aerobically repressed by H-NS; anaerobically repressed by Fnr[4]

Product Synonyms(s)

cytochrome d terminal oxidase, subunit II[1], B0734[2][1], CydB[2][1] , ECK0722, JW0723, b0734

Function from GO

<GO_nr />

Knock-Out Phenotype

transcription unit(s): cydAB[2], OP00140

Quick Links

porteco.png EcoCyc.gif regulondb.jpg

dnadisplay.png proteindisplay.png   pubmed.jpg   textpresso.jpg  

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Fnr and ArcA regulons. ArcA-P antagonizes H-NS repression of cydAB in response to limiting oxygen.[4]


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  1. 1.0 1.1 1.2 1.3 Riley, M. et al. (2006) Nucleic Acids Res 34:1-6 (corrected supplemental data from B. Wanner)
  2. 2.0 2.1 2.2 2.3 2.4 EcoCyc (release 10.6; 2007) Keseler, IM et al. (2005) Nucleic Acids Res. 33(Database issue):D334-7
  3. 3.0 3.1 EcoCyc (release 11.1; 2007) Keseler, IM et al. (2005) Nucleic Acids Res. 33(Database issue):D334-7
  4. 4.0 4.1 EcoGene: Rudd, KE (2000) EcoGene: a genome sequence database for Escherichia coli K-12. Nucleic Acids Res 28:60-4.