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nagC DNA-binding transcriptional dual regulator NagC [ Escherichia coli str. K-12 substr. MG1655 ]

Gene ID: 945285, updated on 3-Dec-2024

Summary

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Official Symbol
nagC
Official Full Name
DNA-binding transcriptional dual regulator NagC
Primary source
ECOCYC:EG10636
Locus tag
b0676
See related
ASAP:ABE-0002299
Gene type
protein coding
RefSeq status
PROVISIONAL
Organism
Escherichia coli str. K-12 substr. MG1655 (strain: K-12, substrain: MG1655)
Lineage
Bacteria; Pseudomonadota; Gammaproteobacteria; Enterobacterales; Enterobacteriaceae; Escherichia
Also known as
ECK0664; nagR
Summary
The NagC, "N-acetylglucosamine," transcriptional dual regulator participates in regulating the phosphotransferase system (PTS) . [More information is available at EcoCyc: EG10636].
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Genomic context

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Sequence:
NC_000913.3 (700374..701594, complement)

NC_000913.3Genomic Context describing neighboring genes Neighboring gene asparagine synthetase B Neighboring gene UMP phosphatase Neighboring gene N-acetylglucosamine-6-phosphate deacetylase Neighboring gene glucosamine-6-phosphate deaminase

Genomic regions, transcripts, and products

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Genomic Sequence:
NC_000913.3

Go to nucleotide: Graphics FASTA GenBank

Bibliography

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Related articles in PubMed

  1. Regulation of PTS gene expression by the homologous transcriptional regulators, Mlc and NagC, in Escherichia coli (or how two similar repressors can behave differently). Plumbridge J. J Mol Microbiol Biotechnol, 2001 Jul. PMID 11361067
  2. A dominant mutation in the gene for the Nag repressor of Escherichia coli that renders the nag regulon uninducible. Plumbridge JA. J Gen Microbiol, 1992 May. PMID 1645125
  3. Complex synergistic amino acid-nucleotide interactions contribute to the specificity of NagC operator recognition and induction. Fernandez M, et al. Microbiology (Reading), 2019 Jul. PMID 31107208
  4. Operator recognition by the ROK transcription factor family members, NagC and Mlc. Bréchemier-Baey D, et al. Nucleic Acids Res, 2015 Jan. PMID 25452338, Free PMC Article
  5. High-level recombinant protein production by overexpression of Mlc in Escherichia coli. Cho S, et al. J Biotechnol, 2005 Sep 23. PMID 15916829

See all (40) citations in PubMed

GeneRIFs: Gene References Into Functions

What's a GeneRIF?
  1. The NagC mutants exhibiting this paradoxical behaviour have basic amino acids, arginine or lysine, at two critical positions of the recognition helix.
    Title: Complex synergistic amino acid-nucleotide interactions contribute to the specificity of NagC operator recognition and induction.
  2. This work identifies four amino acids in the linker region which allow NagC to distinguish between a C/G and an A/T bp at positions +/-11 of the operators.
    Title: Operator recognition by the ROK transcription factor family members, NagC and Mlc.
  3. NagC binds to a single, high-affinity site overlapping the promoter of galP.
    Title: Repression of galP, the galactose transporter in Escherichia coli, requires the specific regulator of N-acetylglucosamine metabolism.
  4. Results show that changes at either of two Mlc operators upstream of ptsG are sufficient to lose regulation by Mlc but that both types of changes in both operators are necessary to convert ptsG to a gene regulated by NagC.
    Title: Switching control of expression of ptsG from the Mlc regulon to the NagC regulon.
  5. Mutations in NagC, at positions which form a structural motif resembling a glucose binding site in Mlc, produce permanently repressing forms of NagC, suggesting that this motif forms a N-acetylglucosamine 6-phosphate binding site in NagC.
    Title: Different regions of Mlc and NagC, homologous transcriptional repressors controlling expression of the glucose and N-acetylglucosamine phosphotransferase systems in Escherichia coli, are required for inducer signal recognition.
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Interactions

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Products Interactant Other Gene Complex Source Pubs Description

General gene information

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Homology

Gene Ontology Provided by EcoCyc

Function Evidence Code Pubs
enables DNA binding IBA
Inferred from Biological aspect of Ancestor
more info
  
enables DNA binding IDA
Inferred from Direct Assay
more info
 PubMed 
enables DNA binding IEA
Inferred from Electronic Annotation
more info
  
enables DNA-binding transcription factor activity IEA
Inferred from Electronic Annotation
more info
  
Process Evidence Code Pubs
involved_in regulation of DNA-templated transcription IBA
Inferred from Biological aspect of Ancestor
more info
  
involved_in regulation of DNA-templated transcription IEA
Inferred from Electronic Annotation
more info
  
acts_upstream_of_or_within regulation of DNA-templated transcription IMP
Inferred from Mutant Phenotype
more info
 PubMed 

General protein information

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Preferred Names
DNA-binding transcriptional dual regulator NagC

NCBI Reference Sequences (RefSeq)

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Genome Annotation

The following sections contain reference sequences that belong to a specific genome build. Explain

Reference assembly

Genomic

  1. NC_000913.3 Reference assembly

    Range
    700374..701594 complement
    Download
    GenBank, FASTA, Sequence Viewer (Graphics)

mRNA and Protein(s)

  1. NP_415202.1 DNA-binding transcriptional dual regulator NagC [Escherichia coli str. K-12 substr. MG1655]

    See identical proteins and their annotated locations for NP_415202.1

    Status: PROVISIONAL

    UniProtKB/TrEMBL
    A0A6L7CAG1
    Conserved Domains (2) summary
    pfam00480
    Location:89 → 392
    ROK; ROK family
    cl21459
    Location:25 → 77
    HTH; Helix-turn-helix domains
Nucleotide Protein
Heading Accession and Version

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