FeuB

• Description: ABC transporter for the siderophores Fe-enterobactin and Fe-bacillibactin (integral membrane protein)
  
  

Gene name	feuB
Synonyms
Essential	no
Product	ABC transporter for the siderophores Fe-enterobactin and Fe-bacillibactin (integral membrane protein)
Function	acquisition of iron
Gene expression levels in SubtiExpress: feuB
Interactions involving this protein in SubtInteract: FeuB
Metabolic function and regulation of this protein in SubtiPathways: Stress, Metal ion homeostasis
MW, pI	35 kDa, 9.539
Gene length, protein length	1002 bp, 334 aa
Immediate neighbours	feuC, feuA
Sequences	Protein DNA DNA_with_flanks
Genetic context This image was kindly provided by SubtiList
Expression at a glance   PubMed

Categories containing this gene/protein

ABC transporters, acquisition of iron, iron metabolism, membrane proteins

This gene is a member of the following regulons

Btr regulon, CitB regulon, Fur regulon

The gene

Basic information

• Locus tag: BSU01620

Database entries

• DBTBS entry: [1]

• SubtiList entry: [2]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity:

• Protein family: FecCD subfamily (according to Swiss-Prot)

• Paralogous protein(s):

Extended information on the protein

• Kinetic information:

• Domains:

• Modification:

• Cofactor(s):

• Effectors of protein activity:

• Interactions:
  • YusV-(FeuB-FeuC)-FeuA PubMed

• Localization: cell membrane PubMed

Database entries

• Structure:

• UniProt: P40410

• KEGG entry: [3]

• E.C. number:

Expression and regulation

• Operon: feuA-feuB-feuC-ybbA PubMed

• Expression browser: feuB PubMed

• Sigma factor: SigA PubMed

• 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:

References

Florian Peuckert, Marcus Miethke, Alexander G Albrecht, Lars-Oliver Essen, Mohamed A Marahiel
Structural basis and stereochemistry of triscatecholate siderophore binding by FeuA.
Angew Chem Int Ed Engl: 2009, 48(42);7924-7
[PubMed:19746494] [WorldCat.org] [DOI] (I p)

Ahmed Gaballa, John D Helmann
Substrate induction of siderophore transport in Bacillus subtilis mediated by a novel one-component regulator.
Mol Microbiol: 2007, 66(1);164-73
[PubMed:17725565] [WorldCat.org] [DOI] (P p)

Marcus Miethke, Oliver Klotz, Uwe Linne, Jürgen J May, Carsten L Beckering, Mohamed A Marahiel
Ferri-bacillibactin uptake and hydrolysis in Bacillus subtilis.
Mol Microbiol: 2006, 61(6);1413-27
[PubMed:16889643] [WorldCat.org] [DOI] (P p)

Juliane Ollinger, Kyung-Bok Song, Haike Antelmann, Michael Hecker, John D Helmann
Role of the Fur regulon in iron transport in Bacillus subtilis.
J Bacteriol: 2006, 188(10);3664-73
[PubMed:16672620] [WorldCat.org] [DOI] (P p)

Noel Baichoo, Tao Wang, Rick Ye, John D Helmann
Global analysis of the Bacillus subtilis Fur regulon and the iron starvation stimulon.
Mol Microbiol: 2002, 45(6);1613-29
[PubMed:12354229] [WorldCat.org] [DOI] (P p)

Y Quentin, G Fichant, F Denizot
Inventory, assembly and analysis of Bacillus subtilis ABC transport systems.
J Mol Biol: 1999, 287(3);467-84
[PubMed:10092453] [WorldCat.org] [DOI] (P p)