EpsO

• Description: extracellular polysaccharide synthesis
  
  

Gene name	epsO
Synonyms	yvfF
Essential	no
Product	unknown
Function	extracellular polysaccharide synthesis
MW, pI	37 kDa, 9.626
Gene length, protein length	966 bp, 322 aa
Immediate neighbours	yvfG, epsN
Get the DNA and protein sequences (Barbe et al., 2009)
Genetic context This image was kindly provided by SubtiList

The gene

Basic information

• Locus tag: BSU34220

Database entries

• DBTBS entry: [1]

• SubtiList entry: [2]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity:

• Protein family: polysaccharide pyruvyl transferase 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:

• UniProt: P71065

• KEGG entry: [3]

• E.C. number:

Expression and regulation

• Operon: epsA-epsB-epsC-epsD-epsE-epsF-epsG-epsH-epsI-epsJ-epsK-epsL-epsM-epsN-epsO PubMed

• Sigma factor: SigA PubMed

• Regulation:
  • repressed by SinR PubMed

• Regulatory mechanism:
  • SinR: transcription repression PubMed
  • SlrR: transcription activation PubMed

• Additional information:
  • induction by sequestration of SinR by SinI PubMed
  • activation by SlrR requires prior formation of the SlrR-SlrA complex PubMed

Biological materials

• Mutant:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody:

Labs working on this gene/protein

Richard Losick, Harvard Univ., Cambridge, USA homepage