AraM

• Description: glycerol-1-phosphate dehydrogenase, L-arabinose operon
  
  

Gene name	araM
Synonyms	yseB
Essential	no
Product	glycerol-1-phosphate dehydrogenase
Function	biosynthesis of phosphoglycerolipids
Gene expression levels in SubtiExpress: araM
Metabolic function and regulation of this protein in SubtiPathways: Sugar catabolism
MW, pI	42 kDa, 5.628
Gene length, protein length	1182 bp, 394 aa
Immediate neighbours	araN, araL
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

poorly characterized/ putative enzymes, membrane proteins, sporulation proteins

This gene is a member of the following regulons

AraR regulon, CcpA regulon

The gene

Basic information

• Locus tag: BSU28760

Database entries

• DBTBS entry: [1]

• SubtiList entry: [2]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity: sn-glycerol-1-phosphate + NAD(P)⁺ = glycerone phosphate + NAD(P)H (according to Swiss-Prot)

• Protein family: glycerol-1-phosphate dehydrogenase 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: cell membrane (according to Swiss-Prot)

Database entries

• Structure:

• UniProt: P94527

• KEGG entry: [3]

• E.C. number: 1.1.1.261

Expression and regulation

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

• Expression browser: araM 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:

References

Harald Guldan, Reinhard Sterner, Patrick Babinger
Identification and characterization of a bacterial glycerol-1-phosphate dehydrogenase: Ni(2+)-dependent AraM from Bacillus subtilis.
Biochemistry: 2008, 47(28);7376-84
[PubMed:18558723] [WorldCat.org] [DOI] (I p)

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)

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)

Isabel S-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)