MetA

• Description: homoserine O-succinyltransferase
  
  

Gene name	metA
Synonyms	metB
Essential	no
Product	homoserine O-succinyltransferase
Function	biosynthesis of methionine
Gene expression levels in SubtiExpress: metA
Metabolic function and regulation of this protein in SubtiPathways: Lys, Thr, Cys, Met & Sulfate assimilation
MW, pI	25 kDa, 6.414
Gene length, protein length	672 bp, 224 aa
Immediate neighbours	bsaA, ugtP
Get the DNA and protein sequences (Barbe et al., 2009)
Genetic context This image was kindly provided by SubtiList
Expression at a glance   PubMed

Categories containing this gene/protein

biosynthesis/ acquisition of amino acids cell envelope stress proteins (controlled by SigM, V, W, X, Y)

This gene is a member of the following regulons

SigM regulon

The gene

Basic information

• Locus tag: BSU21910

Database entries

• DBTBS entry: [1]

• SubtiList entry: [2]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity: Succinyl-CoA + L-homoserine = CoA + O-succinyl-L-homoserine (according to Swiss-Prot) O(4)-succinyl-L-homoserine + L-cysteine = L-cystathionine + succinate (according to Swiss-Prot)

• Protein family:

• Paralogous protein(s):

Extended information on the protein

• Kinetic information:

• Domains:

• Modification:

• Cofactor(s):

• Effectors of protein activity:

• Interactions:

• Localization:

Database entries

• Structure: 2GHR (from Bacillus cereus, 60% identity, 77% similarity) PubMed

• UniProt: P54167

• KEGG entry: [3]

• E.C. number: 2.3.1.46 8 2.5.1.48]

Expression and regulation

• Operon: metA (according to DBTBS)

• Expression browser: metA PubMed

• Sigma factor: SigM PubMed

• Regulation:

• Regulatory mechanism:

• Additional information:

Biological materials

• Mutant:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody:

References

Warawan Eiamphungporn, John D Helmann
The Bacillus subtilis sigma(M) regulon and its contribution to cell envelope stress responses.
Mol Microbiol: 2008, 67(4);830-48
[PubMed:18179421] [WorldCat.org] [DOI] (P p)

Chloe Zubieta, S Sri Krishna, Daniel McMullan, Mitchell D Miller, Polat Abdubek, Sanjay Agarwalla, Eileen Ambing, Tamara Astakhova, Herbert L Axelrod, Dennis Carlton, Hsiu-Ju Chiu, Thomas Clayton, Marc Deller, Michael DiDonato, Lian Duan, Marc-André Elsliger, Slawomir K Grzechnik, Joanna Hale, Eric Hampton, Gye Won Han, Justin Haugen, Lukasz Jaroszewski, Kevin K Jin, Heath E Klock, Mark W Knuth, Eric Koesema, Abhinav Kumar, David Marciano, Andrew T Morse, Edward Nigoghossian, Silvya Oommachen, Ron Reyes, Christopher L Rife, Henry van den Bedem, Dana Weekes, Aprilfawn White, Qingping Xu, Keith O Hodgson, John Wooley, Ashley M Deacon, Adam Godzik, Scott A Lesley, Ian A Wilson
Crystal structure of homoserine O-succinyltransferase from Bacillus cereus at 2.4 A resolution.
Proteins: 2007, 68(4);999-1005
[PubMed:17546672] [WorldCat.org] [DOI] (I p)