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ccpN [Tue Dec 13 2016 11:16:35 GMT+0100 (CET)]
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ccpN [Tue Dec 13 2016 11:16:35 GMT+0100 (CET)]

transcriptional repressor (CcpN family) of gluconeogenetic genes and of sr1. repression in the presence of glucose
locus
BSU25250
pI
7.00
mw
23.00 kDa
function
repressor of genes involved in
gluconeogenesis (gapB, pckA) and of sr1
product
transcriptional regulator (CcpN family)
essential
no
synonyms
yqzB
Outlinks
KEGGBsubCycSubtiListUniProtExpression Browser

Genomic Context

      

categories

  • [category|SW 2|Metabolism] → [category|SW 2.2|Carbon metabolism] → [category|SW 2.2.1|Carbon core metabolism] → [category|SW 2.2.1.2|Gluconeogenesis]
  • [category|SW 3|Information processing] → [category|SW 3.4|Regulation of gene expression] → [category|SW 3.4.2|Transcription factors and their control] → [category|SW 3.4.2.5|Transcription factors/ other]
  • [category|SW 3|Information processing] → [category|SW 3.4|Regulation of gene expression] → [category|SW 3.4.5|Regulators of core metabolism]

    • [SW|Categories] containing this gene/protein

  • [SW|carbon core metabolism], [SW|transcription factors and their control], [SW|regulators of core metabolism]

    • Gene

    Coordinates on the chromosome (coding sequence)
    2,604,959 -> 2,605,597

    Phenotypes of a mutant

  • Impaired growth on glucose due to re-routing of carbon from glycolysis to the pentose phosphate pathway [Pubmed|18586936]

    • The protein

    Catalyzed reaction/ biological activity

  • transcription repression of the ''[protein|search|gapB]'', ''[protein|search|pckA]'', and ''[protein|search|sr1]'' genes in the presence of glucose [Pubmed|2548995]

    • Protein family

  • [SW|CcpN family]

    • [SW|Domains]

  • 2 [SW|CBS domain]s (83-139, 148-211)

    • Effectors of protein activity

  • [protein|search|YqfL] (negative effector of CcpN activity) [Pubmed|15720552]
  • ATP enhances CcpN-dependent repression, ADP counteracts the repressing activity of CcpN [Pubmed|18511073]

    • [SW|Interactions]

  • active as dimer (according to [Pubmed|20408793])
  • [protein|search|CcpN]-[protein|search|RpoA] [Pubmed|19726675]

    • Expression and Regulation

    Operon

  • ''[protein|search|ccpN]''-''[protein|search|yqfL]'' [Pubmed|15720552]

    • Regulation

  • constitutively expressed [Pubmed|15720552]

    • Additional information

  • the intracellular concentration of CcpN is about 4 myM (according to [PubMed|20408793]).

    • Biological materials

    Mutant

  • DB104 ''ccpN''::cat, available in [SW|Sabine Brantl]'s lab
  • GP1128 ''ccpN''::cat, available in [SW|Jörg Stülke]'s lab

    • Expression vector

  • pGP2923 (N-terminal His-tag, purification from ''E. coli'', in [SW|pWH844]), available in [SW|Jörg Stülke]'s lab

    • Antibody

  • available in [SW|Sabine Brantl]'s lab

    • Labs working on this gene/protein

  • [SW|Stephane Aymerich], Microbiology and Molecular Genetics, INRA Paris-Grignon, France
  • [SW|Sabine Brantl], Bacterial Genetics, Friedrich-Schiller-University of Jena, Germany [http://www.uni-jena.de/AG_Bakteriengenetik_(_Doz__Dr__Sabine_Brantl_).html homepage]
  • [SW|Uwe Sauer], ETH Zürich, Switzerland [http://www.imsb.ethz.ch/researchgroup/sauer homepage]

    • References

    Reviews

  • 20408793

    • Original Publications

  • 15720552,16164558,17011578,18511073,18586936,19726675,19732150,22190493,23280112