MtnX

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  • Description: 2-hydroxy-3-keto-5-methylthiopentenyl-1-phosphate phosphatase

Gene name mtnX
Synonyms ykrX
Essential no
Product 2-hydroxy-3-keto-5-methylthiopentenyl-
1-phosphate phosphatase
Function methionine salvage
Gene expression levels in SubtiExpress: mtnX
Metabolic function and regulation of this protein in SubtiPathways:
mtnX
MW, pI 26 kDa, 4.658
Gene length, protein length 705 bp, 235 aa
Immediate neighbours mtnW, mtnB
Sequences Protein DNA DNA_with_flanks
Genetic context
YkrX context.gif
This image was kindly provided by SubtiList
Expression at a glance   PubMed
MtnX expression.png




























Categories containing this gene/protein

biosynthesis/ acquisition of amino acids

This gene is a member of the following regulons

S-box

The gene

Basic information

  • Locus tag: BSU13600

Phenotypes of a mutant

Database entries

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

Additional information

The protein

Basic information/ Evolution

  • Catalyzed reaction/ biological activity: 2-hydroxy-5-(methylthio)-3-oxopent-1-enyl phosphate + H2O = 1,2-dihydroxy-5-(methylthio)pent-1-en-3-one + phosphate (according to Swiss-Prot)
  • Protein family: MtnX family (according to Swiss-Prot)
  • Paralogous protein(s):

Extended information on the protein

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

Database entries

  • KEGG entry: [3]
  • E.C. number:

Additional information

Expression and regulation

  • Regulation:
  • Regulatory mechanism: S-box: transcription termination/ antitermination, the S-box riboswitch binds S-adenosylmethionine resulting in termination PubMed
  • Additional information:

Biological materials

  • Mutant:
  • Expression vector:
  • lacZ fusion:
  • GFP fusion:
  • two-hybrid system:
  • Antibody:

Labs working on this gene/protein

Your additional remarks

References

Jerneja Tomsic, Brooke A McDaniel, Frank J Grundy, Tina M Henkin
Natural variability in S-adenosylmethionine (SAM)-dependent riboswitches: S-box elements in bacillus subtilis exhibit differential sensitivity to SAM In vivo and in vitro.
J Bacteriol: 2008, 190(3);823-33
[PubMed:18039762] [WorldCat.org] [DOI] (I p)

Qingping Xu, Kumar Singh Saikatendu, S Sri Krishna, Daniel McMullan, Polat Abdubek, Sanjay Agarwalla, Eileen Ambing, Tamara Astakhova, Herbert L Axelrod, Dennis Carlton, Hsiu-Ju Chiu, Thomas Clayton, Michael DiDonato, Lian Duan, Marc-André Elsliger, Julie Feuerhelm, 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, Mitchell D Miller, Andrew T Morse, Edward Nigoghossian, Linda Okach, Silvya Oommachen, Jessica Paulsen, Ron Reyes, Christopher L Rife, Robert Schwarzenbacher, Henry van den Bedem, Aprilfawn White, Guenter Wolf, Keith O Hodgson, John Wooley, Ashley M Deacon, Adam Godzik, Scott A Lesley, Ian A Wilson
Crystal structure of MtnX phosphatase from Bacillus subtilis at 2.0 angstroms resolution provides a structural basis for bipartite phosphomonoester hydrolysis of 2-hydroxy-3-keto-5-methylthiopentenyl-1-phosphate.
Proteins: 2007, 69(2);433-9
[PubMed:17654724] [WorldCat.org] [DOI] (I p)

Agnieszka Sekowska, Valérie Dénervaud, Hiroki Ashida, Karine Michoud, Dieter Haas, Akiho Yokota, Antoine Danchin
Bacterial variations on the methionine salvage pathway.
BMC Microbiol: 2004, 4;9
[PubMed:15102328] [WorldCat.org] [DOI] (I e)

Maumita Mandal, Benjamin Boese, Jeffrey E Barrick, Wade C Winkler, Ronald R Breaker
Riboswitches control fundamental biochemical pathways in Bacillus subtilis and other bacteria.
Cell: 2003, 113(5);577-86
[PubMed:12787499] [WorldCat.org] [DOI] (P p)

Ulrike Mäder, Georg Homuth, Christian Scharf, Knut Büttner, Rüdiger Bode, Michael Hecker
Transcriptome and proteome analysis of Bacillus subtilis gene expression modulated by amino acid availability.
J Bacteriol: 2002, 184(15);4288-95
[PubMed:12107147] [WorldCat.org] [DOI] (P p)

Agnieszka Sekowska, Antoine Danchin
The methionine salvage pathway in Bacillus subtilis.
BMC Microbiol: 2002, 2;8
[PubMed:12022921] [WorldCat.org] [DOI] (I e)

Brooke A Murphy, Frank J Grundy, Tina M Henkin
Prediction of gene function in methylthioadenosine recycling from regulatory signals.
J Bacteriol: 2002, 184(8);2314-8
[PubMed:11914366] [WorldCat.org] [DOI] (P p)