Difference between revisions of "CysH"

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|style="background:#ABCDEF;" align="center"|'''Function''' || sulfate reduction
 
|style="background:#ABCDEF;" align="center"|'''Function''' || sulfate reduction
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|colspan="2" style="background:#FAF8CC;" align="center"| '''Metabolic function and regulation of this protein in [[SubtiPathways|''Subti''Pathways]]: <br/>[http://subtiwiki.uni-goettingen.de/pathways/cys_meth_and_sulfate_assimilation.html Cys, Met & Sulfate assimilation]'''
 
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|style="background:#ABCDEF;" align="center"| '''MW, pI''' || 26 kDa, 5.462   
 
|style="background:#ABCDEF;" align="center"| '''MW, pI''' || 26 kDa, 5.462   

Revision as of 15:19, 16 June 2009

  • Description: phosphoadenosine phosphosulfate sulfotransferase

Gene name cysH
Synonyms
Essential no
Product phosphoadenosine phosphosulfate sulfotransferase
Function sulfate reduction
Metabolic function and regulation of this protein in SubtiPathways:
Cys, Met & Sulfate assimilation
MW, pI 26 kDa, 5.462
Gene length, protein length 699 bp, 233 aa
Immediate neighbours pyrE, cysP
Get the DNA and protein sequences
(Barbe et al., 2009)
Genetic context
CysH context.gif
This image was kindly provided by SubtiList



The gene

Basic information

  • Locus tag: BSU15570

Phenotypes of a mutant

Database entries

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

Additional information

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:
  • KEGG entry: [3]

Additional information

Expression and regulation

  • 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

Your additional remarks

References

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)

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)