CysH

• Description: phosphoadenosine phosphosulfate sulfotransferase
  
  

Gene name	cysH
Synonyms
Essential	no
Product	phosphoadenosine phosphosulfate sulfotransferase
Function	sulfate reduction
Gene expression levels in SubtiExpress: cysH
Metabolic function and regulation of this protein in SubtiPathways: cysH
MW, pI	26 kDa, 5.462
Gene length, protein length	699 bp, 233 aa
Immediate neighbours	pyrE, cysP
Sequences	Protein DNA DNA_with_flanks
Genetic context This image was kindly provided by SubtiList
Expression at a glance   PubMed

Categories containing this gene/protein

sulfur metabolism

This gene is a member of the following regulons

CymR regulon, S-box

The gene

Basic information

• Locus tag: BSU15570

Database entries

• DBTBS entry: [1]

• SubtiList entry: [2]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity: Adenosine 3',5'-bisphosphate + sulfite + thioredoxin disulfide = 3'-phosphoadenylyl sulfate + thioredoxin (according to Swiss-Prot)

• Protein family: CysH subfamily (according to Swiss-Prot)

• Paralogous protein(s): YitB

Extended information on the protein

• Kinetic information:

• Domains:

• Modification:

• Cofactor(s):

• Effectors of protein activity:

• Interactions:

• Localization:
  • cytoplasm (according to Swiss-Prot)

Database entries

• Structure:

• UniProt: P94498

• KEGG entry: [3]

• E.C. number: 1.8.4.8

Expression and regulation

• Operon: cysH-cysP-sat-cysC-ylnD-ylnE-ylnF PubMed

• Expression browser: cysH PubMed

• Sigma factor: SigA PubMed

• Regulation:
  • repressed by casamino acids PubMed
  • repressed in the presence of cysteine (CymR)
  • induced by methionine starvation (S-box) PubMed

• Regulatory mechanism:
  • S-box: transcription termination/ antitermination, the S-box riboswitch binds S-adenosylmethionine resulting in termination PubMed
  • CymR: transcription repression

• Additional information:

Biological materials

• Mutant:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody:

Labs working on this gene/protein

Isabelle Martin-Verstraete, Institute Pasteur, Paris, France

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)

Daniela Albanesi, Maria Cecilia Mansilla, Gustavo E Schujman, Diego de Mendoza
Bacillus subtilis cysteine synthetase is a global regulator of the expression of genes involved in sulfur assimilation.
J Bacteriol: 2005, 187(22);7631-8
[PubMed:16267287] [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)

M C Mansilla, D Albanesi, D de Mendoza
Transcriptional control of the sulfur-regulated cysH operon, containing genes involved in L-cysteine biosynthesis in Bacillus subtilis.
J Bacteriol: 2000, 182(20);5885-92
[PubMed:11004190] [WorldCat.org] [DOI] (P p)

F J Grundy, T M Henkin
The S box regulon: a new global transcription termination control system for methionine and cysteine biosynthesis genes in gram-positive bacteria.
Mol Microbiol: 1998, 30(4);737-49
[PubMed:10094622] [WorldCat.org] [DOI] (P p)

M C Mansilla, D de Mendoza
L-cysteine biosynthesis in Bacillus subtilis: identification, sequencing, and functional characterization of the gene coding for phosphoadenylylsulfate sulfotransferase.
J Bacteriol: 1997, 179(3);976-81
[PubMed:9006060] [WorldCat.org] [DOI] (P p)