abf2 [Mon Aug 31 2015 13:56:07 GMT+0200 (CEST)]

alpha-L-arabinofuranosidase

locus: BSU28510

pI: 5.33

mw: 56.00 kDa

function: arabinan degradation

product: alpha-L-arabinofuranosidase

essential: no

ec: 3.2.1.55

synonyms: xsa

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 2.2.2.6|Utilization of arabinan/ arabinose/ arabitol]

syns: xsa

[SW|Categories] containing this gene/protein

• [SW|utilization of specific carbon sources]

This gene is a member of the following [SW|regulons]

• [SW|AraR regulon], [SW|CcpA regulon]

The protein

Catalyzed reaction/ biological activity

• Hydrolysis of terminal non-reducing alpha-L-arabinofuranoside residues in alpha-L-arabinosides (according to Swiss-Prot)

Protein family

• glycosyl hydrolase 51 family (according to Swiss-Prot)

Expression and Regulation

Operon

• ''abf2'' [Pubmed|14973026]

[SW|Sigma factor]

• [protein|search|SigA] [Pubmed|14973026]

Regulation

• induced by arabinose ([protein|search|AraR]) [Pubmed|14973026]
• repressed by glucose ([protein|search|CcpA]) [Pubmed|22900538]

Regulatory mechanism

• [protein|search|CcpA]: transcription repression [Pubmed|22900538]
• [protein|search|AraR]: transcription repression [Pubmed|14973026]

References

• 14973026,18757805,20525796,22900538