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bglH [Sun Jan 17 2016 18:40:51 GMT+0100 (CET)]
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bglH [Sun Jan 17 2016 18:40:51 GMT+0100 (CET)]

phospho-beta-glucosidase
locus
BSU39260
pI
4.00
mw
53.00 kDa
function
salicin utilization
product
phospho-beta-glucosidase
essential
no
ec
3.2.1.86
synonyms

Genomic Context

      

categories

  • [category|SW 2|Metabolism] → [category|SW 2.2|Carbon metabolism] → [category|SW 2.2.2|Utilization of specific carbon sources] → [category|SW 2.2.2.18|Utilization of beta-glucosides]
  • [SW|Categories] containing this gene/protein

  • [SW|utilization of specific carbon sources]
  • This gene is a member of the following [SW|regulons]

  • [SW|CcpA regulon], [SW|LicT regulon]
  • Gene

    Coordinates on the chromosome (coding sequence)
    4,032,346 -> 4,033,755

    The protein

    Catalyzed reaction/ biological activity

  • 6-phospho-beta-D-glucosyl-(1,4)-D-glucose H2O = D-glucose D-glucose 6-phosphate (according to Swiss-Prot)
  • Protein family

  • glycosyl hydrolase 1 family (according to Swiss-Prot)
  • Structure

  • [PDB|4IPL] (from ''Streptococcus pneumoniae'', 60% identity)
  • Expression and Regulation

    Operon

  • ''[protein|search|bglP]-[protein|search|bglH]-[protein|search|yxiE]'' [Pubmed|7883710]
  • [SW|Sigma factor]

  • [protein|search|SigA] [Pubmed|7559347]
  • Regulation

  • repressed by glucose ([protein|search|CcpA], [protein|search|LicT]) [Pubmed|7559347]
  • induced by salicin ([protein|search|LicT]) [Pubmed|7883710]
  • Regulatory mechanism

  • [protein|search|CcpA]: transcription repression, ([protein|search|CcpA] binding site overlaps -35 region) [Pubmed|7559347]
  • [protein|search|LicT]-dependent [SW|RNA switch] (antitermination, lack of [protein|search|LicT]-dependent antitermination in the presence of gucose due to the requirement of [protein|search|LicT] to be phosphorylated by [PtsH|search| HPr] [Pubmed|8626332]
  • References

  • 14652714,16672620,15139916,7883710,7559347,26772920