MalA

• Description: 6-phospho-alpha-glucosidase
  
  

Gene name	malA
Synonyms	glvG, glvA
Essential	no
Product	6-phospho-alpha-glucosidase
Function	maltose utilization
Metabolic function and regulation of this protein in SubtiPathways: Sugar catabolism
MW, pI	50 kDa, 4.74
Gene length, protein length	1347 bp, 449 aa
Immediate neighbours	yfjA, glvR
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: BSU08180

Database entries

• DBTBS entry: [1]

• SubtiList entry: [2]

Categories containing this gene/protein

utilization of specific carbon sources, membrane proteins

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity: Maltose 6'-phosphate + H₂O = D-glucose + D-glucose 6-phosphate (according to Swiss-Prot)

• Protein family: glycosyl hydrolase 4 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: membrane associated PubMed

Database entries

• Structure: 1U8X

• UniProt: P54716

• KEGG entry: [3]

• E.C. number: 3.2.1.122

Expression and regulation

• Operon: malA-glvR-malP PubMed

• Sigma factor: SigA PubMed

• Regulation:
  • induction by maltose (GlvR) PubMed
  • repressed by glucose (CcpA) PubMed

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

• Additional information:

Biological materials

• Mutant:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody: