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sppA [Tue Dec 13 2016 11:16:35 GMT+0100 (CET)]
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sppA [Tue Dec 13 2016 11:16:35 GMT+0100 (CET)]

signal peptide peptidase required for efficient processing of pre-proteins, cleaves remnant signal peptides within the cellular membrane
locus
BSU29530
pI
7.31
mw
36.00 kDa
function
protein secretion
product
signal peptide peptidase
essential
no
synonyms
yteI

Genomic Context

      

categories

  • [category|SW 4|Lifestyles] → [category|SW 4.3|Coping with stress] → [category|SW 4.3.13|Resistance against toxins/ antibiotics]
  • [category|SW 4|Lifestyles] → [category|SW 4.3|Coping with stress] → [category|SW 4.3.2|Cell envelope stress proteins (controlled by SigM, V, W, X, Y)]
  • [category|SW 6|Groups of genes] → [category|SW 6.2|Membrane proteins]
  • [SW|Categories] containing this gene/protein

  • [SW|protein secretion], [SW|cell envelope stress proteins (controlled by SigM, V, W, X, Y)], [SW|membrane proteins]
  • This gene is a member of the following [SW|regulons]

  • [SW|SigW regulon]
  • Gene

    Coordinates on the chromosome (coding sequence)
    3,020,040 -> 3,021,047

    Phenotypes of a mutant

  • more sensitive to nisin [Pubmed|23980836]
  • The protein

    Catalyzed reaction/ biological activity

  • serine protease that functions to cleave the remnant signal peptides left behind after [SW|protein secretion] and cleavage by signal peptidases
  • Protein family

  • peptidase S49 family (according to Swiss-Prot)
  • Structure

  • [PDB|3RST] [Pubmed|22472423]
  • [SW|Localization]

  • cell membrane [Pubmed|22472423]
  • [SW|Interactions]

  • the protein forms a dome shaped octameric complex [Pubmed|22472423]
  • Expression and Regulation

    Operon

  • ''[protein|search|sppA]-[protein|search|yteJ]'' [Pubmed|9987136]
  • [SW|Sigma factor]

  • [protein|search|SigW] [Pubmed|9987136,12207695]
  • Regulation

  • induced in response to cell wall stress ([protein|search|SigW]) [Pubmed|12207695]
  • Additional information

  • self-processes its own C-termini [PubMed|24228759]
  • References

  • 9987136,12207695,22472423,23980836,24228759,24228759