AmyE

• Description: alpha-amylase
  
  

Gene name	amyE
Synonyms	amyA
Essential	no
Product	alpha-amylase)
Function	starch degradation
MW, pI	72 kDa, 5.85
Gene length, protein length	1980 bp, 660 aa
Immediate neighbours	ycgB, ldh
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: BSU03040

Database entries

• DBTBS entry: [1]

• SubtiList entry: [2]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity: Endohydrolysis of (1->4)-alpha-D-glucosidic linkages in oligosaccharides and polysaccharides (according to Swiss-Prot)

• Protein family: glycosyl hydrolase 13 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: secreted (according to Swiss-Prot), extracellular (signal peptide) PubMed

Database entries

• Structure: 1BAG (complex with maltopentaose)

• Swiss prot entry: P00691

• KEGG entry: [3]

• E.C. number: 3.2.1.1

Expression and regulation

• Operon: AmyE

• Sigma factor: SigA

• Regulation: repressed by glucose (CcpA)

• Regulatory mechanism: CcpA: transcription repression

• Additional information:

Biological materials

• Mutant:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody:

References

Birgit Voigt, Haike Antelmann, Dirk Albrecht, Armin Ehrenreich, Karl-Heinz Maurer, Stefan Evers, Gerhard Gottschalk, Jan Maarten van Dijl, Thomas Schweder, Michael Hecker
Cell physiology and protein secretion of Bacillus licheniformis compared to Bacillus subtilis.
J Mol Microbiol Biotechnol: 2009, 16(1-2);53-68
[PubMed:18957862] [WorldCat.org] [DOI] (I p)

T M Henkin, F J Grundy, W L Nicholson, G H Chambliss
Catabolite repression of alpha-amylase gene expression in Bacillus subtilis involves a trans-acting gene product homologous to the Escherichia coli lacl and galR repressors.
Mol Microbiol: 1991, 5(3);575-84
[PubMed:1904524] [WorldCat.org] [DOI] (P p)

1. Voigt et al. (2009) Cell physiology and protein secretion of Bacillus licheniformis compared to Bacillus subtilis. J Mol Microbiol Biotechnol. 16: 53-68 PubMed

1. Henkin, T. M., Grundy, F. J., Nicholson, W. L. and Chambliss, G. H. (1991) Catabolite repression of -amylase gene expression in Bacillus subtilis involves a trans-acting gene product homologous to the Escherichia coli lacI and galR repressors. Mol. Microbiol. 5, 575-584. PubMed
2. Author1, Author2 & Author3 (year) Title Journal volume: page-page. PubMed