Difference between revisions of "SacX"

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(Extended information on the protein)
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* '''Localization:''' cell membrane (according to Swiss-Prot)
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=== Database entries ===
 
=== Database entries ===

Revision as of 09:14, 1 November 2011

Gene name sacX
Synonyms ipa-14r, sacS
Essential no
Product trigger enzyme: sucrose-specific phosphotransferase system,
EIIBC component (low affinity)
Function sucrose uptake and phosphorylation, control of SacY activity
Interactions involving this protein in SubtInteract: SacX
Metabolic function and regulation of this protein in SubtiPathways:
Sugar catabolism
MW, pI 48 kDa, 9.346
Gene length, protein length 1377 bp, 459 aa
Immediate neighbours epr, sacY
Get the DNA and protein sequences
(Barbe et al., 2009)
Genetic context
SacX context.gif
This image was kindly provided by SubtiList







Categories containing this gene/protein

phosphotransferase systems, utilization of specific carbon sources, transcription factors and their control, trigger enzyme, membrane proteins, phosphoproteins

This gene is a member of the following regulons

SacY regulon

The gene

Basic information

  • Locus tag: BSU38410

Phenotypes of a mutant

Database entries

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

Additional information

The protein

Basic information/ Evolution

  • Catalyzed reaction/ biological activity: Protein EIIB N(pi)-phospho-L-histidine/cysteine + sugar = protein EIIB + sugar phosphate (according to Swiss-Prot)
  • Protein family: PTS permease, sucrose permease (Scr) family PubMed
  • Paralogous protein(s):

Extended information on the protein

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

Database entries

  • Structure:
  • KEGG entry: [3]

Additional information

Expression and regulation

  • Regulation: induction by sucrose (at high concentration) PubMed
  • Additional information:

Biological materials

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

Labs working on this gene/protein

Your additional remarks

References

Jonathan Reizer, Steffi Bachem, Aiala Reizer, Maryvonne Arnaud, Milton H Saier, Jörg Stülke
Novel phosphotransferase system genes revealed by genome analysis - the complete complement of PTS proteins encoded within the genome of Bacillus subtilis.
Microbiology (Reading): 1999, 145 ( Pt 12);3419-3429
[PubMed:10627040] [WorldCat.org] [DOI] (P p)

P Tortosa, D Le Coq
A ribonucleic antiterminator sequence (RAT) and a distant palindrome are both involved in sucrose induction of the Bacillus subtilis sacXY regulatory operon.
Microbiology (Reading): 1995, 141 ( Pt 11);2921-7
[PubMed:8535520] [WorldCat.org] [DOI] (P p)

A M Crutz, M Steinmetz
Transcription of the Bacillus subtilis sacX and sacY genes, encoding regulators of sucrose metabolism, is both inducible by sucrose and controlled by the DegS-DegU signalling system.
J Bacteriol: 1992, 174(19);6087-95
[PubMed:1400159] [WorldCat.org] [DOI] (P p)

M M Zukowski, L Miller, P Cosgwell, K Chen, S Aymerich, M Steinmetz
Nucleotide sequence of the sacS locus of Bacillus subtilis reveals the presence of two regulatory genes.
Gene: 1990, 90(1);153-5
[PubMed:2116367] [WorldCat.org] [DOI] (P p)

A M Crutz, M Steinmetz, S Aymerich, R Richter, D Le Coq
Induction of levansucrase in Bacillus subtilis: an antitermination mechanism negatively controlled by the phosphotransferase system.
J Bacteriol: 1990, 172(2);1043-50
[PubMed:2105292] [WorldCat.org] [DOI] (P p)