AcsA

• Description: acetyl-CoA synthetase
  
  

Gene name	acsA
Synonyms
Essential	no
Product	acetyl-CoA synthetase)
Function	utilization of acetate, fatty acids
Metabolic function and regulation of this protein in SubtiPathways: Central C-metabolism
MW, pI	64 kDa, 5.547
Gene length, protein length	1716 bp, 572 aa
Immediate neighbours	tyrS, acuA
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: BSU29680

Database entries

• DBTBS entry: [1]

• SubtiList entry: [2]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity: ATP + acetate + CoA = AMP + diphosphate + acetyl-CoA (according to Swiss-Prot)

• Protein family: ATP-dependent AMP-binding enzyme family (according to Swiss-Prot)

• Paralogous protein(s):

Extended information on the protein

• Kinetic information:

• Domains:

• Modification: acetylated on Lys-549 by AcuA, this results in inactivation PubMed, deacetylated by SrtN and AcuC deacetylates (and thereby activates) AcsA PubMed

• Cofactor(s):

• Effectors of protein activity:

• Interactions:

• Localization:

Database entries

• Structure:

• UniProt: P39062

• KEGG entry: [3]

• E.C. number: 6.2.1.1

Expression and regulation

• Operon: acsA PubMed

• Sigma factor: SigA PubMed

• Regulation:
  • repressed by glucose (4.5-fold) (CcpA) PubMed
  • repressed during growth in the presence of branched chain amino acids (CodY) PubMed

• Regulatory mechanism:
  • CcpA: transcription repression PubMed
  • CodY: transcription repression PubMed

• Additional information:

Biological materials

• Mutant:
  • GP1212 (acsA::kan), available in Stülke lab
• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody:

References

Jeffrey G Gardner, Jorge C Escalante-Semerena
In Bacillus subtilis, the sirtuin protein deacetylase, encoded by the srtN gene (formerly yhdZ), and functions encoded by the acuABC genes control the activity of acetyl coenzyme A synthetase.
J Bacteriol: 2009, 191(6);1749-55
[PubMed:19136592] [WorldCat.org] [DOI] (I p)

Jeffrey G Gardner, Jorge C Escalante-Semerena
Biochemical and mutational analyses of AcuA, the acetyltransferase enzyme that controls the activity of the acetyl coenzyme a synthetase (AcsA) in Bacillus subtilis.
J Bacteriol: 2008, 190(14);5132-6
[PubMed:18487328] [WorldCat.org] [DOI] (I p)

Boris R Belitsky, Abraham L Sonenshein
Genetic and biochemical analysis of CodY-binding sites in Bacillus subtilis.
J Bacteriol: 2008, 190(4);1224-36
[PubMed:18083814] [WorldCat.org] [DOI] (I p)

Uwe Linne, Antje Schäfer, Milton T Stubbs, Mohamed A Marahiel
Aminoacyl-coenzyme A synthesis catalyzed by adenylation domains.
FEBS Lett: 2007, 581(5);905-10
[PubMed:17303131] [WorldCat.org] [DOI] (P p)

Jeffrey G Gardner, Frank J Grundy, Tina M Henkin, Jorge C Escalante-Semerena
Control of acetyl-coenzyme A synthetase (AcsA) activity by acetylation/deacetylation without NAD(+) involvement in Bacillus subtilis.
J Bacteriol: 2006, 188(15);5460-8
[PubMed:16855235] [WorldCat.org] [DOI] (P p)

Hans-Matti Blencke, Georg Homuth, Holger Ludwig, Ulrike Mäder, Michael Hecker, Jörg Stülke
Transcriptional profiling of gene expression in response to glucose in Bacillus subtilis: regulation of the central metabolic pathways.
Metab Eng: 2003, 5(2);133-49
[PubMed:12850135] [WorldCat.org] [DOI] (P p)

Virginie Molle, Yoshiko Nakaura, Robert P Shivers, Hirotake Yamaguchi, Richard Losick, Yasutaro Fujita, Abraham L Sonenshein
Additional targets of the Bacillus subtilis global regulator CodY identified by chromatin immunoprecipitation and genome-wide transcript analysis.
J Bacteriol: 2003, 185(6);1911-22
[PubMed:12618455] [WorldCat.org] [DOI] (P p)

F J Grundy, A J Turinsky, T M Henkin
Catabolite regulation of Bacillus subtilis acetate and acetoin utilization genes by CcpA.
J Bacteriol: 1994, 176(15);4527-33
[PubMed:7913927] [WorldCat.org] [DOI] (P p)

F J Grundy, D A Waters, T Y Takova, T M Henkin
Identification of genes involved in utilization of acetate and acetoin in Bacillus subtilis.
Mol Microbiol: 1993, 10(2);259-71
[PubMed:7934817] [WorldCat.org] [DOI] (P p)