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qoxD [2017-8-11 16:0:3]
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qoxD [2017-8-11 16:0:3]

cytochrome aa3 quinol oxidase (subunit IV)
locus
BSU38140
pI
5.94
mw
13.55 kDa
protein length
124 aa Sequence Blast
gene length
372 bp Sequence Blast
function
respiration
product
cytochrome aa3 quinol oxidase (subunit IV)
essential
no
ec
1.10.3.-
synonyms
ipa-40d
Outlinks
KEGGBsubCycSubtiListUniProtExpression Browser

Genomic Context

      

categories

  • [category|SW 2|Metabolism] → [category|SW 2.1|Electron transport and ATP synthesis] → [category|SW 2.1.2|Respiration] → [category|SW 2.1.2.1|Terminal oxidases]
  • [category|SW 6|Groups of genes] → [category|SW 6.2|Membrane proteins]

    • Gene

    Coordinates
    3,914,315 → 3,914,689

    The protein

    Catalyzed reaction/ biological activity

  • Ubiquinol-8 O2 = Ubiquinone-8 H2O (according to Swiss-Prot)

    • Protein family

  • cytochrome c oxidase bacterial subunit 4 family (according to Swiss-Prot)

    • [SW|Localization]

  • cell membrane (according to Swiss-Prot)

    • Expression and Regulation

    Operons

    genes
    [gene|48A9E1E39838BFFCF12CADF0A8D8E6FFDCA6F175|qoxA]-[gene|CBF2DCFFD8195304F942ECBA8596444F0AC47CC6|qoxB]-[gene|CD4520EF427AEFDCF028AE063BC373FA6DCE379E|qoxC]-[gene|03335DC50CED7B38E2380640AE108ADA09A2CBDF|qoxD]
    description
    [Pubmed|1316894]

    regulatory mechanism

  • [regulon|stringent response|stringent response]: negative regulation, in [regulon|stringent response|stringent response]
  • [protein|E15E9F88B0E03FE8834C646369D2F4B4E713EF41|CitB]: mRNA binding, in [regulon|E15E9F88B0E03FE8834C646369D2F4B4E713EF41|CitB regulon]

    • regulation

  • [protein|search|RelA] dependent downregulation (Class I) during stringent response [Pubmed|11948165]

    • additional information

  • the presence of an iron-responsive element bound by [SW|CitB] between ''[SW|feuA]'' and ''[SW|feuB]'' suggests iron-dependent regulation by [SW|CitB] [Pubmed|10468622]
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    References

  • 11073895,1316894,20351111,10551842,10468622,27503613