PdxT

• Description: pyridoxal-5'-phosphate synthase (glutaminase domain)
  
  

Gene name	pdxT
Synonyms	yaaE
Essential	no
Product	pyridoxal-5'-phosphate synthase (glutaminase domain)
Function	pyridoxal-5'-phosphate biosynthesis
MW, pI	21 kDa, 4.984
Gene length, protein length	588 bp, 196 aa
Immediate neighbours	pdxS, serS
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: BSU00120

Database entries

• DBTBS entry: [1]

• SubtiList entry: [2]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity:

• Protein family: glutamine amidotransferase pdxT/SNO family (according to Swiss-Prot)

• Paralogous protein(s):

Extended information on the protein

• Kinetic information:

• Domains:

• Modification:

• Cofactor(s):

• Effectors of protein activity:

• Interactions: PdxS-PdxT PubMed1 PubMed2

• Localization:

Database entries

• Structure: PdxT 2NV0, PdxS-PdxT complex 2NV2

• Swiss prot entry: P37528

• KEGG entry: [3]

• E.C. number:

Expression and regulation

• Operon: pdxS-pdxT

• Sigma factor:

• Regulation: negatively controlled by Spo0A PubMed
  • repressed under conditions that trigger sporulation (Spo0A) PubMed

• Regulatory mechanism:
  • Spo0A: transcription repression PubMed

• Additional information:

Biological materials

• Mutant:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody:

References

Silvia Wallner, Martina Neuwirth, Karlheinz Flicker, Ivo Tews, Peter Macheroux
Dissection of contributions from invariant amino acids to complex formation and catalysis in the heteromeric pyridoxal 5-phosphate synthase complex from Bacillus subtilis.
Biochemistry: 2009, 48(9);1928-35
[PubMed:19152323] [WorldCat.org] [DOI] (I p)

Thomas Raschle, Nikolaus Amrhein, Teresa B Fitzpatrick
On the two components of pyridoxal 5'-phosphate synthase from Bacillus subtilis.
J Biol Chem: 2005, 280(37);32291-300
[PubMed:16030023] [WorldCat.org] [DOI] (P p)

Boris R Belitsky
Physical and enzymological interaction of Bacillus subtilis proteins required for de novo pyridoxal 5'-phosphate biosynthesis.
J Bacteriol: 2004, 186(4);1191-6
[PubMed:14762015] [WorldCat.org] [DOI] (P p)

Virginie Molle, Masaya Fujita, Shane T Jensen, Patrick Eichenberger, José E González-Pastor, Jun S Liu, Richard Losick
The Spo0A regulon of Bacillus subtilis.
Mol Microbiol: 2003, 50(5);1683-701
[PubMed:14651647] [WorldCat.org] [DOI] (P p)

1. Molle et al. (2003) The Spo0A regulon of Bacillus subtilis.Mol. Microbiol. 50: 1683-1701. PubMed
2. Raschle et al. (2005) On the two components of pyridoxal 5'-phosphate synthase from Bacillus subtilis.J. Biol. Chem. 280: 32291-32300. PubMed
3. Belitsky (2004) Physical and enzymological interaction of Bacillus subtilis proteins required for de novo pyridoxal 5'-phosphate biosynthesis.J. Bacteriol. 186: 1191-1196. PubMed