MelA

• Description: alpha-galactosidase
  
  

Gene name	melA
Synonyms
Essential	no
Product	alpha-galactosidase
Function	melibiose utilization
Metabolic function and regulation of this protein in SubtiPathways: Sugar catabolism
MW, pI	49 kDa, 5.84
Gene length, protein length	1296 bp, 432 aa
Immediate neighbours	amyC, ytwF
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: BSU30300

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: Hydrolysis of terminal, non-reducing alpha-D-galactose residues in alpha-D-galactosides, including galactose oligosaccharides, galactomannans and galactohydrolase (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:

Database entries

• Structure:

• UniProt: O34645

• KEGG entry: [3]

• E.C. number: 3.2.1.22

Expression and regulation

• Operon: melA PubMed

• Sigma factor:

• Regulation:

• Regulatory mechanism:

• Additional information:

Biological materials

• Mutant:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody:

References

Alia Lapidus, Nathalie Galleron, Alexei Sorokin, S Dusko Ehrlich
Sequencing and functional annotation of the Bacillus subtilis genes in the 200 kb rrnB-dnaB region.
Microbiology (Reading): 1997, 143 ( Pt 11);3431-3441
[PubMed:9387221] [WorldCat.org] [DOI] (P p)