SacC

• Description: levanase
  
  

Gene name	sacC
Synonyms
Essential	no
Product	levanase
Function	degradation of levan to fructose
Gene expression levels in SubtiExpress: sacC
Metabolic function and regulation of this protein in SubtiPathways: Sugar catabolism
MW, pI	75 kDa, 6.789
Gene length, protein length	2031 bp, 677 aa
Immediate neighbours	yraA, levG
Sequences	Protein DNA DNA_with_flanks
Genetic context This image was kindly provided by SubtiList
Expression at a glance   PubMed

Categories containing this gene/protein

utilization of specific carbon sources

This gene is a member of the following regulons

CcpA regulon, LevR regulon, SigL regulon

The gene

Basic information

• Locus tag: BSU27030

Database entries

• DBTBS entry: [1]

• SubtiList entry: [2]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity: Hydrolysis of terminal, non-reducing (2->1)- and (2->6)-linked beta-D-fructofuranose residues in fructans (according to Swiss-Prot)

• Protein family: glycosyl hydrolase 32 family (according to Swiss-Prot)

• Paralogous protein(s):

Extended information on the protein

• Kinetic information:

• Domains:

• Modification:

• Cofactor(s):

• Effectors of protein activity:

• Interactions:

• Localization:

Database entries

• Structure:

• UniProt: P05656

• KEGG entry: [3]

• E.C. number: 3.2.1.80

Expression and regulation

• Operon: levD-levE-levF-levG-sacC PubMed

• Expression browser: sacC PubMed

• Sigma factor: SigL PubMed

• Regulation:
  • subject to carbon catabolite repression (CcpA, LevR) PubMed
  • induced in the presence of fructose (LevR) PubMed

• Regulatory mechanism:
  • CcpA: transcription repression PubMed
  • LevR: transcription activation PubMed

• Additional information:

Biological materials

• Mutant:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody:

References

Original publications

Additional publications: PubMed

Maria Elena Ortiz-Soto, Enrique Rudiño-Piñera, Maria Elena Rodriguez-Alegria, Agustin Lopez Munguia
Evaluation of cross-linked aggregates from purified Bacillus subtilis levansucrase mutants for transfructosylation reactions.
BMC Biotechnol: 2009, 9;68
[PubMed:19635162] [WorldCat.org] [DOI] (I e)

I Martin-Verstraete, J Stülke, A Klier, G Rapoport
Two different mechanisms mediate catabolite repression of the Bacillus subtilis levanase operon.
J Bacteriol: 1995, 177(23);6919-27
[PubMed:7592486] [WorldCat.org] [DOI] (P p)

M Débarbouillé, I Martin-Verstraete, F Kunst, G Rapoport
The Bacillus subtilis sigL gene encodes an equivalent of sigma 54 from gram-negative bacteria.
Proc Natl Acad Sci U S A: 1991, 88(20);9092-6
[PubMed:1924373] [WorldCat.org] [DOI] (P p)

M Débarbouillé, I Martin-Verstraete, A Klier, G Rapoport
The transcriptional regulator LevR of Bacillus subtilis has domains homologous to both sigma 54- and phosphotransferase system-dependent regulators.
Proc Natl Acad Sci U S A: 1991, 88(6);2212-6
[PubMed:1900939] [WorldCat.org] [DOI] (P p)

I Martin-Verstraete, M Débarbouillé, A Klier, G Rapoport
Levanase operon of Bacillus subtilis includes a fructose-specific phosphotransferase system regulating the expression of the operon.
J Mol Biol: 1990, 214(3);657-71
[PubMed:2117666] [WorldCat.org] [DOI] (P p)

I Martin, M Débarbouillé, E Ferrari, A Klier, G Rapoport
Characterization of the levanase gene of Bacillus subtilis which shows homology to yeast invertase.
Mol Gen Genet: 1987, 208(1-2);177-84
[PubMed:3112519] [WorldCat.org] [DOI] (P p)