Difference between revisions of "Abn2"

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* '''Sigma factor:''' [[SigA]], [[SigH]] [http://www.ncbi.nlm.nih.gov/sites/entrez/18408032 PubMed]
 
* '''Sigma factor:''' [[SigA]], [[SigH]] [http://www.ncbi.nlm.nih.gov/sites/entrez/18408032 PubMed]
  
* '''Regulation:''' expression is stimulated by arabinose and pectin and repressed by glucose [http://www.ncbi.nlm.nih.gov/sites/entrez/18408032 PubMed]
+
* '''Regulation:''' repressed by glucose (4.3-fold) ([[CcpA]]) [http://www.ncbi.nlm.nih.gov/pubmed/12850135 PubMed],  expression is stimulated by arabinose and pectin and repressed by glucose [http://www.ncbi.nlm.nih.gov/sites/entrez/18408032 PubMed]
  
 
* '''Regulatory mechanism:''' unknown [http://www.ncbi.nlm.nih.gov/sites/entrez/18408032 PubMed]
 
* '''Regulatory mechanism:''' unknown [http://www.ncbi.nlm.nih.gov/sites/entrez/18408032 PubMed]
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=References=
 
=References=
  
 +
# Blencke et al. (2003) Transcriptional profiling of gene expression in response to glucose in ''Bacillus subtilis'': regulation of the central metabolic pathways. ''Metab Eng.'' '''5:''' 133-149 [http://www.ncbi.nlm.nih.gov/pubmed/12850135 PubMed]
 
# Inácio JM, and de Sá-Nogueira I(2008) Characterization of ''abn2'' (''yxiA''), encoding a ''Bacillus subtilis'' GH43 arabinanase, Abn2, and its role in arabino-polysaccharide degradation.''J. Bacteriol.'' '''190:''' 4272-4280. [http://www.ncbi.nlm.nih.gov/sites/entrez/18408032 PubMed]
 
# Inácio JM, and de Sá-Nogueira I(2008) Characterization of ''abn2'' (''yxiA''), encoding a ''Bacillus subtilis'' GH43 arabinanase, Abn2, and its role in arabino-polysaccharide degradation.''J. Bacteriol.'' '''190:''' 4272-4280. [http://www.ncbi.nlm.nih.gov/sites/entrez/18408032 PubMed]
 
# Author1, Author2 & Author3 (year) Title ''Journal'' '''volume:''' page-page. [http://www.ncbi.nlm.nih.gov/sites/entrez/PMID PubMed]
 
# Author1, Author2 & Author3 (year) Title ''Journal'' '''volume:''' page-page. [http://www.ncbi.nlm.nih.gov/sites/entrez/PMID PubMed]

Revision as of 08:45, 6 April 2009

  • Description: endo-1,5-alpha-L-arabinosidase

Gene name abn2
Synonyms yxiA
Essential no
Product endo-1,5-alpha-L-arabinosidase
Function arabinan degradation
MW, pI 52 kDa, 7.371
Gene length, protein length 1407 bp, 469 aa
Immediate neighbours yxiB, hutP
Gene sequence (+200bp) Protein sequence
Caution: The sequence for this gene in SubtiList contains errors
Genetic context
YxiA context.gif



The gene

Basic information

  • Coordinates:

Phenotypes of a mutant

Database entries

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

Additional information

The protein

Basic information/ Evolution

  • Catalyzed reaction/ biological activity:
  • Protein family:
  • Paralogous protein(s):

Extended information on the protein

  • Kinetic information: With linear-alpha-1,5-l-arabinan as the preferred substrate, the enzyme exhibited an apparent K(m) of 2.0 mg ml(-1) and V(max) of 0.25 mmol min(-1) mg(-1) at pH 7.0 and 50°C. PubMed
  • Domains:
  • Modification:
  • Cofactor(s):
  • Effectors of protein activity:
  • Interactions:
  • Localization: extracellular PubMed

Database entries

  • Structure:
  • Swiss prot entry:
  • KEGG entry:
  • E.C. number: 3.2.1.99

Additional information

Expression and regulation

  • Regulation: repressed by glucose (4.3-fold) (CcpA) PubMed, expression is stimulated by arabinose and pectin and repressed by glucose PubMed
  • Regulatory mechanism: unknown PubMed
  • Additional information:

Biological materials

  • Mutant:
  • Expression vector:
  • lacZ fusion:
  • GFP fusion:
  • two-hybrid system:
  • Antibody:

Labs working on this gene/protein

Isabel de Sa-Nogueira, Lisboa, Portugal homepage

Your additional remarks

References

  1. Blencke et al. (2003) Transcriptional profiling of gene expression in response to glucose in Bacillus subtilis: regulation of the central metabolic pathways. Metab Eng. 5: 133-149 PubMed
  2. Inácio JM, and de Sá-Nogueira I(2008) Characterization of abn2 (yxiA), encoding a Bacillus subtilis GH43 arabinanase, Abn2, and its role in arabino-polysaccharide degradation.J. Bacteriol. 190: 4272-4280. PubMed
  3. Author1, Author2 & Author3 (year) Title Journal volume: page-page. PubMed