transcriptional repressor (CcpN family) of gluconeogenetic genes and of sr1. repression in the presence of glucose
function
repressor of genes involved in gluconeogenesis (gapB, pckA) and of sr1
product
transcriptional regulator (CcpN family)
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]Gene
Coordinates
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 ''[gene|C1B89BD3DD27CD566018558D3A7845FB451056F0|gapB]'', ''[gene|74D4616D1A550D87182FAAC2A4AF6E04F81E1572|pckA]'', and ''[gene|FC93BA60BD185DE5EF31D5605F0B8294EC2E8E5A|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|B3C0FE9DD3CB4AF34DD57CF4D03ABE8AFF1346C7|YqfL] (negative effector of CcpN activity) [Pubmed|15720552]ATP enhances CcpN-dependent repression, ADP counteracts the repressing activity of CcpN [Pubmed|18511073]Expression and Regulation
Operons
genes
[gene|2234D81F8F9B92EAF1CF6F73BEC92D4DE54E2636|ccpN]-[gene|B3C0FE9DD3CB4AF34DD57CF4D03ABE8AFF1346C7|yqfL]
description
[Pubmed|15720552]
regulation
constitutive [Pubmed|15720552]additional information
the intracellular concentration of CcpN is about 4 myM (according to [PubMed|20408793]).view in new tabBiological materials
Mutant
MGNA-C493 (yqzB::erm), available at the [https://shigen.nig.ac.jp/bsub/resource/strainGeneDisrupted/detail/2491 NBRP B. subtilis, Japan]DB104 ''ccpN''::cat, available in [SW|Sabine Brantl]'s labGP1128 ''ccpN''::cat, available in [SW|Jörg Stülke]'s labExpression vector
pGP2923 (N-terminal His-tag, purification from ''E. coli'', in [SW|pWH844]), available in [SW|Jörg Stülke]'s labAntibody
available in [SW|Sabine Brantl]'s labLabs 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
Original Publications
15720552,16164558,17011578,18511073,18586936,19726675,19732150,22190493,23280112