AraB

• Description: L-ribulokinase
  
  

Gene name	araB
Synonyms
Essential	no
Product	L-ribulokinase
Function	arabinose utilization
Metabolic function and regulation of this protein in SubtiPathways: Sugar catabolism
MW, pI	60 kDa, 5.233
Gene length, protein length	1680 bp, 560 aa
Immediate neighbours	araD, araA
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: BSU28790

Database entries

• DBTBS entry: [1]

• SubtiList entry: [2]

Categories containing this gene/protein

utilization of specific carbon sources

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity: ATP + L(or D)-ribulose = ADP + L(or D)-ribulose 5-phosphate (according to Swiss-Prot)

• Protein family: ribulokinase 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:

Database entries

• Structure: 3JVP (B. halodurans AraB)

• UniProt: P94524

• KEGG entry: [3]

• E.C. number: 2.7.1.16

Expression and regulation

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

Biological materials

• Mutant:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody: