CysC

• Description: adenylyl-sulfate kinase
  
  

Gene name	cysC
Synonyms	ylnC
Essential	no
Product	adenylyl-sulfate kinase
Function	sulfate reduction and activation
Gene expression levels in SubtiExpress: cysC
Metabolic function and regulation of this protein in SubtiPathways: Cys, Met & Sulfate assimilation
MW, pI	22 kDa, 5.083
Gene length, protein length	591 bp, 197 aa
Immediate neighbours	sat, ylnD
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: BSU15600

Database entries

• DBTBS entry: [1]

• SubtiList entry: [2]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity: ATP + adenylyl sulfate = ADP + 3'-phosphoadenylyl sulfate (according to Swiss-Prot)

• Protein family: APS kinase family (according to Swiss-Prot)

• Paralogous protein(s):

Extended information on the protein

• Kinetic information:

• Domains:

• Modification:

• Cofactor(s):

• Effectors of protein activity:

• Interactions:

• Localization:

Database entries

• Structure: 3CR8 (from Thiobacillus denitrificans, 46% identity, 62% similarity) PubMed

• UniProt: O34577

• KEGG entry: [3]

• E.C. number: 2.7.1.25

Expression and regulation

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

• Expression browser: cysC 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