XynB

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  • Description: xylan beta-1,4-xylosidase

Gene name xynB
Synonyms ynaK
Essential no
Product xylan beta-1,4-xylosidase
Function xylan degradation
Metabolic function and regulation of this protein in SubtiPathways:
Sugar catabolism
MW, pI 61 kDa, 5.326
Gene length, protein length 1599 bp, 533 aa
Immediate neighbours xynP, xylR
Get the DNA and protein sequences
(Barbe et al., 2009)
Genetic context
XynB context.gif
This image was kindly provided by SubtiList







Categories containing this gene/protein

utilization of specific carbon sources


This gene is a member of the following regulons

CcpA regulon, XylR regulon

The gene

Basic information

  • Locus tag: BSU17580

Phenotypes of a mutant

Database entries

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

Additional information

The protein

Basic information/ Evolution

  • Catalyzed reaction/ biological activity: Hydrolysis of (1->4)-beta-D-xylans, to remove successive D-xylose residues from the non-reducing termini (according to Swiss-Prot)
  • Protein family: glycosyl hydrolase 43 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

  • KEGG entry: [3]

Additional information

Expression and regulation

  • 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

Kalpana D Singh, Matthias H Schmalisch, Jörg Stülke, Boris Görke
Carbon catabolite repression in Bacillus subtilis: quantitative analysis of repression exerted by different carbon sources.
J Bacteriol: 2008, 190(21);7275-84
[PubMed:18757537] [WorldCat.org] [DOI] (I p)

C Lindner, J Stülke, M Hecker
Regulation of xylanolytic enzymes in Bacillus subtilis.
Microbiology (Reading): 1994, 140 ( Pt 4);753-7
[PubMed:8012596] [WorldCat.org] [DOI] (P p)