sacC [2017-07-11 09:36:29]

levanase

locus: BSU27030

pI: 6.79

mw: 75.77 kDa

protein length: 677 aa

gene length: 2031 bp

function: degradation of levan to fructose

product: levanase

essential: no

ec: 3.2.1.80

synonyms: vdcL

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 2.2.2.27|Utilization of other polymeric carbohydrates]
• [category|SW 6|Groups of genes] → [category|SW 6.12|Secreted proteins]

Gene

Coordinates: 2,758,043 → 2,760,076

RNA

Catalyzed reaction/ biological activity

• [gene|1118A21CC581B0470EC6E7C178F2523CDCA70F93|sigL] [protein|1118A21CC581B0470EC6E7C178F2523CDCA70F93|SigL] [PDB|1HRU] [pubmed|28383498] NAD⁺

The protein

Catalyzed reaction/ biological activity

• Hydrolysis of terminal, non-reducing (2→1)- and (2→6)-linked beta-D-fructofuranose residues in fructans (according to Swiss-Prot)

Protein family

• glycosyl hydrolase 32 family (according to Swiss-Prot)

Structure

• [PDB|1HRU]

Expression and Regulation

Operons

• genes: [gene|75C568C8F6912AC064B8B435975D52510D25466A|levD]-[gene|CAE38D8F25A5EC6AC8045E40072E6FEC632045FA|levE]-[gene|8ABA3735067C7AA433E09F219EE7239196377A95|levF]-[gene|F23B951F60A6A669D5BD86836906E0F4AD7A0C1B|levG]-[gene|61D5B957E018D019AE0CE1D5F6C6A33EF982ED49|sacC]
  description: [Pubmed|2117666]

  sigma factors

  • [protein|1118A21CC581B0470EC6E7C178F2523CDCA70F93|SigL]: sigma factor, [Pubmed|1924373], in [regulon|1118A21CC581B0470EC6E7C178F2523CDCA70F93|SigL regulon]

  regulatory mechanism

  • [protein|E39AFEB7B7F28969A35C4B51CC6E7819F71C79D9|CcpA]: repression, [Pubmed|7592486], in [regulon|E39AFEB7B7F28969A35C4B51CC6E7819F71C79D9|CcpA regulon]
  • [protein|1D2043CC0D8CF64142F0A5993A936C5A196726D4|LevR]: activation, [Pubmed|1900939], in [regulon|1D2043CC0D8CF64142F0A5993A936C5A196726D4|LevR regulon]

  regulation

  • induced in the presence of fructose ([protein|search|LevR]) [Pubmed|1900939]

References

Reviews

• 20735481