SubtiBank SubtiBank
xynB
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xynB

xylan beta-1,4-xylosidase
Locus
BSU_17580
Isoelectric point
5.33
Molecular weight
61.17 kDa
Protein length
533 aa Sequence Blast
Gene length
1602 bp Sequence Blast
Function
xylan degradation
Product
xylan beta-1,4-xylosidase
Essential
no
E.C.
3.2.1.37
Synonyms
ynaK
Outlinks
KEGGBsubCycSubtiListUniProtExpression Browser

Genomic Context

      
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Categories containing this gene/protein

  • Metabolism → Carbon metabolism → Utilization of specific carbon sources → Utilization of xylan/ xylose

    • Gene

    Coordinates
    1,888,774 1,890,375

    The protein

    Catalyzed reaction/ biological activity

  • Hydrolysis of (1->4)-beta-D-xylans, to remove successive D-xylose residues from the non-reducing termini (according to UniProt)

    • Protein family

  • glycosyl hydrolase 43 family (according to UniProt)

    • Structure

  • 1YIF

    • Localization

  • cell membrane (according to Swiss-Prot)

    • Expression and Regulation

    Operons

    Genes
    xynP-xynB
    Description
    PubMed

    Sigma factors

  • SigA: sigma factor, PubMed, in SigA regulon

    • Regulatory mechanism

  • CcpA: repression, PubMed, in CcpA regulon
  • XylR: repression, PubMed, in XylR regulon

    • Regulation

  • carbon catabolite repression (CcpA) PubMed
  • induction by xylose (XylR) PubMed
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    Biological materials

    Mutant

  • BKE17580 (xynB::erm trpC2) available at BGSC, PubMed, upstream reverse: _UP1_CATTTGGGACTCCTCCTCAG, downstream forward: _UP4_TAATTTGCACATGAAAAAGG
  • BKK17580 (xynB::kan trpC2) available at BGSC, PubMed, upstream reverse: _UP1_CATTTGGGACTCCTCCTCAG, downstream forward: _UP4_TAATTTGCACATGAAAAAGG

    • References

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