MaeA

From SubtiWiki
Revision as of 11:31, 14 May 2013 by 134.76.70.252 (talk)
Jump to: navigation, search
  • Description: malic enzyme

Gene name maeA
Synonyms ywkA
Essential no
Product NAD-dependent malate dehydrogenase
Function malate utilization
Gene expression levels in SubtiExpress: maeA
Metabolic function and regulation of this protein in SubtiPathways:
Central C-metabolism
MW, pI 63 kDa, 4.883
Gene length, protein length 1746 bp, 582 aa
Immediate neighbours ywkB, tdk
Sequences Protein DNA DNA_with_flanks
Genetic context
YwkA context.gif
This image was kindly provided by SubtiList
Expression at a glance   PubMed
MaeA expression.png















Categories containing this gene/protein

utilization of specific carbon sources

This gene is a member of the following regulons

MalR regulon

The gene

Basic information

  • Locus tag: BSU37050

Phenotypes of a mutant

Database entries

  • DBTBS entry: [1]
  • SubtiList entry: [2]

Additional information

The protein

Basic information/ Evolution

  • Catalyzed reaction/ biological activity: (S)-malate + NAD+ = pyruvate + CO2 + NADH (according to Swiss-Prot) malate --> pyruvate
  • Protein family: malic enzymes family (according to Swiss-Prot)
  • Paralogous protein(s): MalS

Extended information on the protein

  • Kinetic information:
  • Domains:
  • Modification:
  • Cofactor(s):
  • Effectors of protein activity:

Database entries

  • Structure:
  • KEGG entry: [3]

Additional information

Expression and regulation

  • Regulation:
    • expressed in the presence of malate (MalR) PubMed
  • Regulatory mechanism:
  • Additional information:
    • the mRNA is substantially stabilized upon depletion of RNase Y PubMed

Biological materials

  • Mutant: GP1141 (aphA3) available in Stülke lab
  • Expression vector:
  • lacZ fusion:
  • GFP fusion:
  • two-hybrid system:
  • Antibody:

Labs working on this gene/protein

Stephane Aymerich, Microbiology and Molecular Genetics, INRA Paris-Grignon, France

Your additional remarks

References

Frederik M Meyer, Jörg Stülke
Malate metabolism in Bacillus subtilis: distinct roles for three classes of malate-oxidizing enzymes.
FEMS Microbiol Lett: 2013, 339(1);17-22
[PubMed:23136871] [WorldCat.org] [DOI] (I p)

Martin Lehnik-Habrink, Marc Schaffer, Ulrike Mäder, Christine Diethmaier, Christina Herzberg, Jörg Stülke
RNA processing in Bacillus subtilis: identification of targets of the essential RNase Y.
Mol Microbiol: 2011, 81(6);1459-73
[PubMed:21815947] [WorldCat.org] [DOI] (I p)

Guillaume Lerondel, Thierry Doan, Nicola Zamboni, Uwe Sauer, Stéphane Aymerich
YtsJ has the major physiological role of the four paralogous malic enzyme isoforms in Bacillus subtilis.
J Bacteriol: 2006, 188(13);4727-36
[PubMed:16788182] [WorldCat.org] [DOI] (P p)

Thierry Doan, Pascale Servant, Shigeo Tojo, Hirotake Yamaguchi, Guillaume Lerondel, Ken-Ichi Yoshida, Yasutaro Fujita, Stéphane Aymerich
The Bacillus subtilis ywkA gene encodes a malic enzyme and its transcription is activated by the YufL/YufM two-component system in response to malate.
Microbiology (Reading): 2003, 149(Pt 9);2331-2343
[PubMed:12949160] [WorldCat.org] [DOI] (P p)