SubtiBank SubtiBank
znuB [Tue Dec 13 2016 11:16:30 GMT+0100 (CET)]
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znuB [Tue Dec 13 2016 11:16:30 GMT+0100 (CET)]

high-affinity ABC transporter for zinc (permease)
locus
BSU02870
pI
10.00
mw
30.00 kDa
function
zinc uptake
product
ABC transporter for zinc (permease)
essential
no
synonyms
yceA

Genomic Context

      

categories

  • [category|SW 1|Cellular processes] → [category|SW 1.2|Transporters] → [category|SW 1.2.1|ABC transporters] → [category|SW 1.2.1.1|Importers] → [category|SW 1.2.1.1.6|Uptake of ions]
  • [category|SW 1|Cellular processes] → [category|SW 1.3|Homeostasis] → [category|SW 1.3.2|Trace metal homeostasis (Cu, Zn, Ni, Mn, Mo)] → [category|SW 1.3.2.3|Zinc]
  • [category|SW 6|Groups of genes] → [category|SW 6.2|Membrane proteins]
  • [SW|Categories] containing this gene/protein

  • [SW|ABC transporters], [SW|trace metal homeostasis (Cu, Zn, Ni, Mn, Mo)], [SW|membrane proteins]
  • This gene is a member of the following [SW|regulons]

  • [SW|Zur regulon]
  • Gene

    Coordinates on the chromosome (coding sequence)
    310,000 -> 310,842

    Phenotypes of a mutant

  • reduced genetic competence, can be rescued by the addition of excess zinc [Pubmed|21813502]
  • reduced expression of the ''[SW|comFA]-[SW|comFB]-[SW|comFC]-[protein|search|yvyF]-[protein|search|flgM]-[protein|search|yvyG]-[protein|search|flgK]-[protein|search|flgL]'' operon [Pubmed|21813502]
  • The protein

    Protein family

  • ABC-3 integral membrane protein family (according to Swiss-Prot)
  • Expression and Regulation

    Operon

  • ''[protein|search|znuA]-[protein|search|znuC]-[protein|search|znuB]'' [Pubmed|9811636]
  • [SW|Sigma factor]

  • [protein|search|SigA] [Pubmed|12426338]
  • Regulation

  • induced by zinc starvation ([protein|search|Zur]) [Pubmed|12426338]
  • Regulatory mechanism

  • [protein|search|Zur]: transcription repression in the presence of zinc [Pubmed|12426338]
  • part of the second wave of induction upon zinc depletion [Pubmed|27561249]
  • References

  • 12426338,9811636,10092453,21813502,12426338,27561249