Sda

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  • Description: Sda is a checkpoint protein that is upregulated in response to replication stress (Burkholder et al 2001, Cell). Sda inhibits the autokinase activity of KinA (and likely KinB as well). This in its turn results in reduced levels of Spo0A~P. Thus, replication stressed cells will not iniate sporulation

    Sda is rapidly turned over by the ClpP/X system because of some uncharged residues at its C-terminus Ruvolo et al 2006, MolMic.
Gene name sda
Synonyms
Essential no
Product
Function mediates a developmental checkpoint coupling initiation of
sporulation (phosphorylation of Spo0A) to the function of replication initiation proteins
MW, pI 6 kDa, 5.605
Gene length, protein length 156 bp, 52 aa
Immediate neighbours yloV, sdaAA
Gene sequence (+200bp) Protein sequence
Genetic context
Sda context.gif



The gene

Basic information

  • Coordinates:

Phenotypes of a mutant

Database entries

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

Additional information

The protein

Basic information/ Evolution

  • Catalyzed reaction/ biological activity:
  • Protein family:
  • Paralogous protein(s):

Extended information on the protein

  • Kinetic information:
  • Domains:
  • Modification:
  • Cofactor(s):
  • Effectors of protein activity:
  • Interactions:
  • Localization:

Database entries

  • Structure:
  • Swiss prot entry:
  • KEGG entry:
  • E.C. number:

Additional information

Expression and regulation

  • Operon:
  • Sigma factor:
  • Regulation:
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  • Additional information:

Biological materials

  • Mutant:
  • Expression vector:
  • lacZ fusion:
  • GFP fusion:
  • two-hybrid system:
  • Antibody:

Labs working on this gene/protein

Your additional remarks

References

  1. Author1, Author2 & Author3 (year) Title Journal volume: page-page. PubMed