MalL

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  • Description: alpha-glucosidase

Gene name malL
Synonyms yvdL
Essential no
Product alpha-glucosidase
Function starch and maltodextrin utilization
Metabolic function and regulation of this protein in SubtiPathways:
Sugar catabolism, Sugar catabolism
MW, pI 65 kDa, 4.98
Gene length, protein length 1683 bp, 561 aa
Immediate neighbours pgcM, yvdK
Get the DNA and protein sequences
(Barbe et al., 2009)
Genetic context
MalL context.gif
This image was kindly provided by SubtiList
Expression at a glance   PubMed
MalL expression.png




























Categories containing this gene/protein

utilization of specific carbon sources

This gene is a member of the following regulons

The gene

Basic information

  • Locus tag: BSU34560

Phenotypes of a mutant

Database entries

  • DBTBS entry: no entry
  • SubtiList entry: [1]

Additional information

The protein

Basic information/ Evolution

  • Catalyzed reaction/ biological activity: Hydrolysis of (1->6)-alpha-D-glucosidic linkages in some oligosaccharides produced from starch and glycogen by alpha-amylase, and in isomaltose (according to Swiss-Prot)
  • Protein family: glycosyl hydrolase 13 family (according to Swiss-Prot)
  • Paralogous protein(s):

Extended information on the protein

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

Database entries

  • Structure: 1UOK (from Bacillus cereus, 57% identity, 74% similarity) PubMed
  • KEGG entry: [2]

Additional information

Expression and regulation

  • Sigma factor:
  • Regulation:
    • induced in the presence of maltose PubMed
  • Regulatory mechanism:
  • 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

Stefan Schönert, Sabine Seitz, Holger Krafft, Eva-Anne Feuerbaum, Iris Andernach, Gabriele Witz, Michael K Dahl
Maltose and maltodextrin utilization by Bacillus subtilis.
J Bacteriol: 2006, 188(11);3911-22
[PubMed:16707683] [WorldCat.org] [DOI] (P p)

S Schönert, T Buder, M K Dahl
Properties of maltose-inducible alpha-glucosidase MalL (sucrase-isomaltase-maltase) in Bacillus subtilis: evidence for its contribution to maltodextrin utilization.
Res Microbiol: 1999, 150(3);167-77
[PubMed:10229946] [WorldCat.org] [DOI] (P p)

S Schönert, T Buder, M K Dahl
Identification and enzymatic characterization of the maltose-inducible alpha-glucosidase MalL (sucrase-isomaltase-maltase) of Bacillus subtilis.
J Bacteriol: 1998, 180(9);2574-8
[PubMed:9573215] [WorldCat.org] [DOI] (P p)