AbnA

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

Gene name	abnA
Synonyms
Essential	no
Product	endo-1,5-alpha-L-arabinosidase
Function	arabinan degradation
MW, pI	34 kDa, 8.618
Gene length, protein length	939 bp, 313 aa
Immediate neighbours	araA, ysdC
Get the DNA and protein sequences (Barbe et al., 2009)
Genetic context This image was kindly provided by SubtiList

The gene

Basic information

• Locus tag: BSU28810

Database entries

• DBTBS entry: [1]

• SubtiList entry: [2]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity: Endohydrolysis of (1->5)-alpha-arabinofuranosidic linkages in (1->5)-arabinans (according to Swiss-Prot)

• Protein family: glycosyl hydrolase 43 family (according to Swiss-Prot)

• Paralogous protein(s):

Extended information on the protein

• Kinetic information:

• Domains:

• Modification:

• Cofactor(s):

• Effectors of protein activity:

• Interactions:

• Localization: extracellular (signal peptide) PubMed

Database entries

• Structure: 1UV4

• UniProt: P94522

• KEGG entry: [3]

• E.C. number: 3.2.1.99

Expression and regulation

• Operon: abnA PubMed

• Sigma factor: SigA PubMed

• Regulation:
  • repressed in the absence of arabinose (AraR) PubMed

• Regulatory mechanism:
  • AraR: transcription repression PubMed

• Additional information: the mRNA is very stable (half-life > 15 min) PubMed

Biological materials

• Mutant:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody: