Zur

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  • Description: transcriptional repressor, regulates zinc homeostasis

Gene name zur
Synonyms yqfV
Essential no
Product transcriptional repressor (Fur family)
Function regulation of zinc homeostasis
(yciC, znuA-znuC-znuB)
Gene expression levels in SubtiExpress: zur
Regulatory function of this protein in SubtiPathways:
zur
Metabolic function and regulation of this protein in SubtiPathways:
Zur
MW, pI 16 kDa, 4.856
Gene length, protein length 435 bp, 145 aa
Immediate neighbours yqfW, yqfU
Sequences Protein DNA DNA_with_flanks
Genetic context
Zur context.gif
This image was kindly provided by SubtiList
Expression at a glance   PubMed
Zur expression.png



















Categories containing this gene/protein

trace metal homeostasis (Cu, Zn, Ni, Mn, Mo), transcription factors and their control, phosphoproteins

This gene is a member of the following regulons

The Zur regulon

The gene

Basic information

  • Locus tag: BSU25100

Phenotypes of a mutant

Database entries

  • DBTBS entry: no entry
  • SubtiList entry: [1]

Additional information

The protein

Basic information/ Evolution

  • Catalyzed reaction/ biological activity:

Extended information on the protein

  • Kinetic information:
  • Domains:
  • Modification: phosphorylated on ser/ thr/ tyr PubMed
  • Cofactor(s):
  • Effectors of protein activity:
    • sequential binding of zinc (two atoms per monomer) results in the activation of Zur and thus in repression of the genes of the Zur regulon PubMed

Database entries

  • Structure:
  • KEGG entry: [2]
  • E.C. number:

Additional information

Expression and regulation

  • Operon:
  • Sigma factor:
  • Regulation:
  • Regulatory mechanism:
  • Additional information:
    • number of protein molecules per cell (minimal medium with glucose and ammonium): 130 PubMed
    • number of protein molecules per cell (complex medium with amino acids, without glucose): 419 PubMed

Biological materials

  • Mutant:
  • Expression vector:
  • lacZ fusion:
  • GFP fusion:
  • two-hybrid system:
  • Antibody:

Labs working on this gene/protein

John Helmann, Cornell University, USA Homepage

Your additional remarks

References