YtsJ

• Description: malic enzyme, forms a transhydrogenation cycle with MalS for balancing of NADPH
  
  

Gene name	ytsJ
Synonyms
Essential	no
Product	NADP-dependent malate dehydrogenase
Function	malate utilization
Gene expression levels in SubtiExpress: ytsJ
Metabolic function and regulation of this protein in SubtiPathways: Central C-metabolism
MW, pI	43 kDa, 5.046
Gene length, protein length	1230 bp, 410 aa
Immediate neighbours	accD, dnaE
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

utilization of specific carbon sources

The gene

Basic information

• Locus tag: BSU29220

Phenotypes of a mutant

Poor growth with malate as single carbon source PubMed

Database entries

• DBTBS entry: [1]

• SubtiList entry: [2]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity: (S)-malate + NADP⁺ = pyruvate + CO₂ + NADPH (according to Swiss-Prot) malate <--> pyruvate

• Protein family: malic enzymes family (according to Swiss-Prot)

• Paralogous protein(s): MleA

Extended information on the protein

• Kinetic information:

• Domains:

• Modification:

• Cofactor(s):

• Effectors of protein activity:

• Interactions:

• Localization: Cytoplasm (Homogeneous) PubMed cytoplasm protein PubMed

Database entries

• Structure: 1WW8 (from Pyrococcus horikoshii, 46% identity, 63% similarity)

• UniProt: O34962

• KEGG entry: [3]

• E.C. number: 1.1.1.38

Expression and regulation

• Operon: ytsJ PubMed

• Expression browser: ytsJ PubMed

• Sigma factor:

• Regulation:

• Regulatory mechanism:

• Additional information:

Biological materials

• Mutant:
  • GP612 (spc), available in Jörg Stülke's lab
  • GP1143 (spc), available in Jörg Stülke's lab

• Expression vector:

• lacZ fusion:

• GFP fusion: GP1432 (spc, based on pGP1870), available in the Stülke lab

• two-hybrid system:

• FLAG-tag construct: GP1131 (spc, based on pGP1331), available in Jörg Stülke's lab

• Antibody:

Labs working on this gene/protein

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

References

Additional publications: PubMed

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)

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)

Jean-Christophe Meile, Ling Juan Wu, S Dusko Ehrlich, Jeff Errington, Philippe Noirot
Systematic localisation of proteins fused to the green fluorescent protein in Bacillus subtilis: identification of new proteins at the DNA replication factory.
Proteomics: 2006, 6(7);2135-46
[PubMed:16479537] [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)

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)