CssS

• Description: two-component sensor kinase, control of cellular responses to protein secretion stress
  
  

Gene name	cssS
Synonyms	yvqB
Essential	no
Product	two-component sensor kinase
Function	control of cellular responses to protein secretion stress
Interactions involving this protein in SubtInteract: CssS
Metabolic function and regulation of this protein in SubtiPathways: Stress
MW, pI	51 kDa, 5.795
Gene length, protein length	1353 bp, 451 aa
Immediate neighbours	cssR, yirB
Get the DNA and protein sequences (Barbe et al., 2009)
Genetic context This image was kindly provided by SubtiList

Categories containing this gene/protein

protein modification, transcription factors and their control, heat shock proteins, membrane proteins, phosphoproteins

This gene is a member of the following regulons

CssR regulon

The gene

Basic information

• Locus tag: BSU33020

Database entries

• DBTBS entry: [1]

• SubtiList entry: [2]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity: autophosphorylation, phosphorylation of CssR

• Protein family:

• Paralogous protein(s):YkoH, KinE, YclK, YvrG

Extended information on the protein

• Kinetic information:

• Domains: two transmembrane segments, C-terminal histidine phosphotransferase domain

• Modification: autophosphorylation on a His residue

• Cofactor(s):

• Effectors of protein activity:
  • the extracellular loop domain is required for signal perception PubMed

• Interactions:
  • CssS is a member of a suspected group of hubs proteins that were suggested to be involved in a large number of interactions PubMed
  • CssS-CssR

• Localization:
  • cell membrane (according to Swiss-Prot)
  • localized primarily at the division septum but also found in a punctate pattern with lower intensity throughout the cell cylinder PubMed

Database entries

• Structure:

• UniProt: O32193

• KEGG entry: [3]

• E.C. number:

Expression and regulation

• Operon: cssR-cssS PubMed

• Expression browser: cssS PubMed

• Sigma factor: SigA PubMed

• Regulation:
  • expressed under conditions of secretion stress (CssR) PubMed

• Regulatory mechanism:
  • CssR: transcription activation PubMed

• Additional information:

Biological materials

• Mutant:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody: