GanA

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  • Description: beta-galactosidase

Gene name ganA
Synonyms yvfN, lacA
Essential no
Product beta-galactosidase
Function galactan utilization
Gene expression levels in SubtiExpress: ganA
MW, pI 79 kDa, 5.704
Gene length, protein length 2061 bp, 687 aa
Immediate neighbours ganB, ganQ
Get the DNA and protein sequences
(Barbe et al., 2009)
Genetic context
LacA context.gif
This image was kindly provided by SubtiList
Expression at a glance   PubMed
LacA expression.png















Categories containing this gene/protein

utilization of specific carbon sources, phosphoproteins

This gene is a member of the following regulons

LacR regulon

The gene

Basic information

  • Locus tag: BSU34130

Phenotypes of a mutant

Database entries

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

Additional information

The protein

Basic information/ Evolution

  • Catalyzed reaction/ biological activity:
    • degradation of galactotriose to galactose PubMed
  • Protein family: glycosyl hydrolase 42 family (according to Swiss-Prot)
  • Paralogous protein(s):

Extended information on the protein

  • Kinetic information:
  • Domains:
  • Modification:
    • phosphorylated on Arg-387 PubMed
  • Cofactor(s):
  • Effectors of protein activity:

Database entries

  • Structure:
  • KEGG entry: [3]

Additional information

Expression and regulation

  • Sigma factor:
  • Regulation:
  • Regulatory mechanism:
  • Additional information:

Biological materials

  • Mutant:GP1181 (aphA3) available in the Stülke lab
  • Expression vector:
  • lacZ fusion:
  • GFP fusion:
  • two-hybrid system:
  • Antibody:

Labs working on this gene/protein

Your additional remarks

References

Yunrong Chai, Pascale B Beauregard, Hera Vlamakis, Richard Losick, Roberto Kolter
Galactose metabolism plays a crucial role in biofilm formation by Bacillus subtilis.
mBio: 2012, 3(4);e00184-12
[PubMed:22893383] [WorldCat.org] [DOI] (I e)

Alexander K W Elsholz, Kürsad Turgay, Stephan Michalik, Bernd Hessling, Katrin Gronau, Dan Oertel, Ulrike Mäder, Jörg Bernhardt, Dörte Becher, Michael Hecker, Ulf Gerth
Global impact of protein arginine phosphorylation on the physiology of Bacillus subtilis.
Proc Natl Acad Sci U S A: 2012, 109(19);7451-6
[PubMed:22517742] [WorldCat.org] [DOI] (I p)

Stephanie Shipkowski, Jean E Brenchley
Bioinformatic, genetic, and biochemical evidence that some glycoside hydrolase family 42 beta-galactosidases are arabinogalactan type I oligomer hydrolases.
Appl Environ Microbiol: 2006, 72(12);7730-8
[PubMed:17056685] [WorldCat.org] [DOI] (P p)

R A Daniel, J Haiech, F Denizot, J Errington
Isolation and characterization of the lacA gene encoding beta-galactosidase in Bacillus subtilis and a regulator gene, lacR.
J Bacteriol: 1997, 179(17);5636-8
[PubMed:9287030] [WorldCat.org] [DOI] (P p)

J Errington, C H Vogt
Isolation and characterization of mutations in the gene encoding an endogenous Bacillus subtilis beta-galactosidase and its regulator.
J Bacteriol: 1990, 172(1);488-90
[PubMed:2104611] [WorldCat.org] [DOI] (P p)