AraQ

• Description: L-arabinose ABC transporter (integral membrane protein)
  
  

Gene name	araQ
Synonyms	yseE
Essential	no
Product	L-arabinose ABC transporter(integral membrane protein))
Function	uptake of arabinose
Gene expression levels in SubtiExpress: araQ
Interactions involving this protein in SubtInteract: AraQ
Metabolic function and regulation of this protein in SubtiPathways: Sugar catabolism
MW, pI	31 kDa, 9.329
Gene length, protein length	843 bp, 281 aa
Immediate neighbours	abfA, araP
Sequences	Protein DNA DNA_with_flanks
Genetic context This image was kindly provided by SubtiList
Expression at a glance   PubMed

Categories containing this gene/protein

ABC transporters, utilization of specific carbon sources, membrane proteins

This gene is a member of the following regulons

AraR regulon, CcpA regulon

The gene

Basic information

• Locus tag: BSU28730

Database entries

• DBTBS entry: no entry

• SubtiList entry: [1]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity:

• Protein family: MalFG subfamily (according to Swiss-Prot)

• Paralogous protein(s):

Extended information on the protein

• Kinetic information:

• Domains:

• Modification:

• Cofactor(s):

• Effectors of protein activity:

• Interactions:
  • AraN(2)-(AraP-AraQ)-MsmX PubMed

• Localization: cell membrane PubMed

Database entries

• Structure:

• UniProt: P94530

• KEGG entry: [2]

• E.C. number:

Expression and regulation

• Operon: araA-araB-araD-araL-araM-araN-araP-araQ-abfA PubMed

• Expression browser: araQ PubMed

• Sigma factor: SigA PubMed

• Regulation:
  • repressed by glucose (CcpA) PubMed
  • induced by arabinose (AraR) PubMed

• Regulatory mechanism:
  • CcpA: transcription repression PubMed
  • 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:

References

José Manuel Inácio, Carla Costa, Isabel de Sá-Nogueira
Distinct molecular mechanisms involved in carbon catabolite repression of the arabinose regulon in Bacillus subtilis.
Microbiology (Reading): 2003, 149(Pt 9);2345-2355
[PubMed:12949161] [WorldCat.org] [DOI] (P p)

G Hambraeus, C von Wachenfeldt, L Hederstedt
Genome-wide survey of mRNA half-lives in Bacillus subtilis identifies extremely stable mRNAs.
Mol Genet Genomics: 2003, 269(5);706-14
[PubMed:12884008] [WorldCat.org] [DOI] (P p)

L J Mota, P Tavares, I Sá-Nogueira
Mode of action of AraR, the key regulator of L-arabinose metabolism in Bacillus subtilis.
Mol Microbiol: 1999, 33(3);476-89
[PubMed:10417639] [WorldCat.org] [DOI] (P p)

Y Quentin, G Fichant, F Denizot
Inventory, assembly and analysis of Bacillus subtilis ABC transport systems.
J Mol Biol: 1999, 287(3);467-84
[PubMed:10092453] [WorldCat.org] [DOI] (P p)

Isabel Sa-Nogueira, Teresa V Nogueira, Snia Soares, Hermnia de Lencastre
The Bacillus subtilis L-arabinose (ara) operon: nucleotide sequence, genetic organization and expression.
Microbiology (Reading): 1997, 143 ( Pt 3);957-969
[PubMed:9084180] [WorldCat.org] [DOI] (P p)

Additional publications: PubMed