SasA

• Description: (p)ppGpp synthetase, small alarmone synthetase
  
  

Gene name	ywaC
Synonyms	ipa-7d
Essential	no
Product	(p)ppGpp synthetase
Function	ppGpp synthesis independent from stringent response
MW, pI	24 kDa, 6.217
Gene length, protein length	630 bp, 210 aa
Immediate neighbours	ywaD, menA
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: BSU38480

Database entries

• DBTBS entry: [1]

• SubtiList entry: [2]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity:

• Protein family:

• Paralogous protein(s): YjbM

Extended information on the protein

• Kinetic information:

• Domains:

• Modification:

• Cofactor(s):

• Effectors of protein activity:

• Interactions:

• Localization:

Database entries

• Structure:

• Swiss prot entry: P39583

• KEGG entry: [3]

• E.C. number:

Expression and regulation

• Operon:

• Sigma factor: SigW

• Regulation: Transcription is highly upregulated in response to lesions in late-acting teichoic acid synthesis genes TagB, TagD and TagF, and also in response to cell-wall-active compounds like bacitracin or vancomycin

• Regulatory mechanism:

• Additional information:

Biological materials

• Mutant:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody:

References

Michael A D'Elia, Kathryn E Millar, Amit P Bhavsar, Ana M Tomljenovic, Bernd Hutter, Christoph Schaab, Gabriel Moreno-Hagelsieb, Eric D Brown
Probing teichoic acid genetics with bioactive molecules reveals new interactions among diverse processes in bacterial cell wall biogenesis.
Chem Biol: 2009, 16(5);548-56
[PubMed:19477419] [WorldCat.org] [DOI] (I p)

Yousuke Natori, Kazumi Tagami, Kana Murakami, Sawako Yoshida, Osamu Tanigawa, Yoonsuh Moh, Kenta Masuda, Tetsuya Wada, Shota Suzuki, Hideaki Nanamiya, Yuzuru Tozawa, Fujio Kawamura
Transcription activity of individual rrn operons in Bacillus subtilis mutants deficient in (p)ppGpp synthetase genes, relA, yjbM, and ywaC.
J Bacteriol: 2009, 191(14);4555-61
[PubMed:19447912] [WorldCat.org] [DOI] (I p)

Hideaki Nanamiya, Koji Kasai, Akira Nozawa, Choong-Soo Yun, Takakuni Narisawa, Kana Murakami, Yousuke Natori, Fujio Kawamura, Yuzuru Tozawa
Identification and functional analysis of novel (p)ppGpp synthetase genes in Bacillus subtilis.
Mol Microbiol: 2008, 67(2);291-304
[PubMed:18067544] [WorldCat.org] [DOI] (P p)

Min Cao, Tao Wang, Rick Ye, John D Helmann
Antibiotics that inhibit cell wall biosynthesis induce expression of the Bacillus subtilis sigma(W) and sigma(M) regulons.
Mol Microbiol: 2002, 45(5);1267-76
[PubMed:12207695] [WorldCat.org] [DOI] (P p)

Min Cao, Phil A Kobel, Maud M Morshedi, Ming Fang Winston Wu, Chris Paddon, John D Helmann
Defining the Bacillus subtilis sigma(W) regulon: a comparative analysis of promoter consensus search, run-off transcription/macroarray analysis (ROMA), and transcriptional profiling approaches.
J Mol Biol: 2002, 316(3);443-57
[PubMed:11866510] [WorldCat.org] [DOI] (P p)