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:
Stress
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:

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

Zhen Ma, Scott E Gabriel, John D Helmann
Sequential binding and sensing of Zn(II) by Bacillus subtilis Zur.
Nucleic Acids Res: 2011, 39(21);9130-8
[PubMed:21821657] [WorldCat.org] [DOI] (I p)

Scott E Gabriel, John D Helmann
Contributions of Zur-controlled ribosomal proteins to growth under zinc starvation conditions.
J Bacteriol: 2009, 191(19);6116-22
[PubMed:19648245] [WorldCat.org] [DOI] (I p)

Scott E Gabriel, Faith Miyagi, Ahmed Gaballa, John D Helmann
Regulation of the Bacillus subtilis yciC gene and insights into the DNA-binding specificity of the zinc-sensing metalloregulator Zur.
J Bacteriol: 2008, 190(10);3482-8
[PubMed:18344368] [WorldCat.org] [DOI] (I p)

Alain Lévine, Françoise Vannier, Cédric Absalon, Lauriane Kuhn, Peter Jackson, Elaine Scrivener, Valérie Labas, Joëlle Vinh, Patrick Courtney, Jérôme Garin, Simone J Séror
Analysis of the dynamic Bacillus subtilis Ser/Thr/Tyr phosphoproteome implicated in a wide variety of cellular processes.
Proteomics: 2006, 6(7);2157-73
[PubMed:16493705] [WorldCat.org] [DOI] (P p)

Mayuree Fuangthong, John D Helmann
Recognition of DNA by three ferric uptake regulator (Fur) homologs in Bacillus subtilis.
J Bacteriol: 2003, 185(21);6348-57
[PubMed:14563870] [WorldCat.org] [DOI] (P p)

Ekaterina M Panina, Andrey A Mironov, Mikhail S Gelfand
Comparative genomics of bacterial zinc regulons: enhanced ion transport, pathogenesis, and rearrangement of ribosomal proteins.
Proc Natl Acad Sci U S A: 2003, 100(17);9912-7
[PubMed:12904577] [WorldCat.org] [DOI] (P p)

Ahmed Gaballa, Tao Wang, Rick W Ye, John D Helmann
Functional analysis of the Bacillus subtilis Zur regulon.
J Bacteriol: 2002, 184(23);6508-14
[PubMed:12426338] [WorldCat.org] [DOI] (P p)

A Gaballa, J D Helmann
Identification of a zinc-specific metalloregulatory protein, Zur, controlling zinc transport operons in Bacillus subtilis.
J Bacteriol: 1998, 180(22);5815-21
[PubMed:9811636] [WorldCat.org] [DOI] (P p)