SipS

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  • Description: signal peptidase I

Gene name sipS
Synonyms
Essential no
Product signal peptidase I
Function protein secretion

(modulation of the capacity and specificity for protein secretion)

Gene expression levels in SubtiExpress: sipS

(modulation of the capacity and specificity for protein secretion)

Metabolic function and regulation of this protein in SubtiPathways:
SipS
MW, pI 20 kDa, 9.718
Gene length, protein length 552 bp, 184 aa
Immediate neighbours ypuD, ypzC
Sequences Protein DNA DNA_with_flanks
Genetic context
SipS context.gif
This image was kindly provided by SubtiList
Expression at a glance   PubMed
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Categories containing this gene/protein

protein secretion, membrane proteins

This gene is a member of the following regulons

The gene

Basic information

  • Locus tag: BSU23310

Phenotypes of a mutant

Database entries

  • DBTBS entry: [1]
  • SubtiList entry: [2]

Additional information

The protein

Basic information/ Evolution

  • Catalyzed reaction/ biological activity: Cleavage of hydrophobic, N-terminal signal or leader sequences from secreted and periplasmic proteins (according to Swiss-Prot)
  • Protein family: peptidase S26 family (according to Swiss-Prot)

Extended information on the protein

  • Kinetic information:
  • Domains:
  • Modification:
  • Cofactor(s):
  • Effectors of protein activity:

Database entries

  • Structure:
  • KEGG entry: [3]
  • E.C. number:

Additional information

Expression and regulation

  • Regulation:
  • Regulatory mechanism:
  • Additional information:
    • number of protein molecules per cell (minimal medium with glucose and ammonium): 129 PubMed
    • number of protein molecules per cell (complex medium with amino acids, without glucose): 363 PubMed

Biological materials

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

Labs working on this gene/protein

Jan Maarten van Dijl, Groningen, Netherlands

Your additional remarks

References

Reviews

Ross E Dalbey, Peng Wang, Jan Maarten van Dijl
Membrane proteases in the bacterial protein secretion and quality control pathway.
Microbiol Mol Biol Rev: 2012, 76(2);311-30
[PubMed:22688815] [WorldCat.org] [DOI] (I p)

Original publications

A Bolhuis, H Tjalsma, K Stephenson, C R Harwood, G Venema, S Bron, J M van Dijl
Different mechanisms for thermal inactivation of Bacillus subtilis signal peptidase mutants.
J Biol Chem: 1999, 274(22);15865-8
[PubMed:10336490] [WorldCat.org] [DOI] (P p)

H Tjalsma, A Bolhuis, M L van Roosmalen, T Wiegert, W Schumann, C P Broekhuizen, W J Quax, G Venema, S Bron, J M van Dijl
Functional analysis of the secretory precursor processing machinery of Bacillus subtilis: identification of a eubacterial homolog of archaeal and eukaryotic signal peptidases.
Genes Dev: 1998, 12(15);2318-31
[PubMed:9694797] [WorldCat.org] [DOI] (P p)

H Tjalsma, M A Noback, S Bron, G Venema, K Yamane, J M van Dijl
Bacillus subtilis contains four closely related type I signal peptidases with overlapping substrate specificities. Constitutive and temporally controlled expression of different sip genes.
J Biol Chem: 1997, 272(41);25983-92
[PubMed:9325333] [WorldCat.org] [DOI] (P p)

A Bolhuis, A Sorokin, V Azevedo, S D Ehrlich, P G Braun, A de Jong, G Venema, S Bron, J M van Dijl
Bacillus subtilis can modulate its capacity and specificity for protein secretion through temporally controlled expression of the sipS gene for signal peptidase I.
Mol Microbiol: 1996, 22(4);605-18
[PubMed:8951809] [WorldCat.org] [DOI] (P p)