OppA

• Description: oligopeptide ABC transporter (binding protein)
  
  

Gene name	oppA
Synonyms	spo0KA
Essential	no
Product	oligopeptide ABC transporter (binding protein)
Function	initiation of sporulation, competence development
MW, pI	61 kDa, 5.722
Gene length, protein length	1635 bp, 545 aa
Immediate neighbours	trpS, oppB
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: BSU11430

Database entries

• DBTBS entry: [1]

• SubtiList entry: [2]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity:

• Protein family: bacterial solute-binding protein 5 family (according to Swiss-Prot)

• Paralogous protein(s): DppE

Extended information on the protein

• Kinetic information:

• Domains:

• Modification: phosphorylation on (Tyr-301 OR Tyr-303) AND Thr-470 PubMed

• Cofactor(s):

• Effectors of protein activity:

• Interactions:

• Localization: cell membrane (according to Swiss-Prot), extracellular (signal peptide) PubMed, membrane PubMed

Database entries

• Structure:

• Swiss prot entry: P24141

• KEGG entry: [3]

• E.C. number:

Expression and regulation

• Operon:

• Sigma factor:

• Regulation:
  • expressed in the absence of good nitrogen sources (glutamine or ammonium) (TnrA) PubMed
  • repressed during exponential growth (ScoC) PubMed

• Regulatory mechanism:
  • TnrA: transcription activation PubMed
  • ScoC: transcription repression PubMed

• Additional information:

Biological materials

• Mutant:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody: