YbbA

• Description: putative bacillibactin esterase
  
  

Gene name	ybbA
Synonyms
Essential	no
Product	putative bacillibactin esterase
Function	iron acquisition from bacillibactin
Metabolic function and regulation of this protein in SubtiPathways: Stress
MW, pI	21 kDa, 7.912
Gene length, protein length	567 bp, 189 aa
Immediate neighbours	ybaS, feuC
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: BSU01600

Database entries

• DBTBS entry: [1]

• SubtiList entry: [2]

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: P55192

• KEGG entry: [3]

• E.C. number:

Expression and regulation

• Operon: feuA-feuB-feuC-ybbA

• Sigma factor:

• Regulation:
  • repressed in the presence of iron (Fur, CitB) PubMed
  • induced in the presence of iron chelators bacillibactin or enterobactin (Btr) PubMed

• Regulatory mechanism:
  • Fur: transcription repression PubMed
  • CitB: binding to the iron responsive element in the absence of iron
  • Btr: transcription activation in the presence of the co-activators bacillibactin or enterobactin PubMed

• Additional information:

Biological materials

• Mutant:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody: