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  • Description: Fur-regulated basic protein, acts as RNA chaperone for fsrA

Gene name fbpA
Synonyms ydbN
Essential no
Product Fur-regulated basic protein,
acts as RNA chaperone for fsrA
Function RNA chaperone
Metabolic function and regulation of this protein in SubtiPathways:
MW, pI xx,x kDa, 9.50
Gene length, protein length 159 bp, 53 amino acids
Immediate neighbours fbpB, ydbO
Gene sequence (+200bp) Protein sequence
Genetic context
FbpA fbpB context.jpeg
Expression at a glance   PubMed
YdbN expression.png

Categories containing this gene/protein

acquisition of iron, iron metabolism, RNA chaperones, short peptides

This gene is a member of the following regulons

Fur regulon

The gene

Basic information

  • Locus tag:

Phenotypes of a mutant

Database entries

  • BsubCyc: ?
  • BsubCyc: ?
  • DBTBS entry: no entry
  • SubtiList entry: [1]

Additional information

The sequence of the former ydbN gene was corrected, and does now contain two genes, fbpA and fbpB. PubMed

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

  • BsubCyc: ?
  • BsubCyc: ?
  • Structure:
  • Swiss prot entry:
  • KEGG entry: no entry
  • E.C. number:

Additional information

Expression and regulation

  • Regulation:
  • Regulatory mechanism:
  • Additional information:

Biological materials

  • Mutant:
  • Expression vector:
  • lacZ fusion:
  • GFP fusion:
  • two-hybrid system:
  • Antibody:

Labs working on this gene/protein

Your additional remarks


Gregory T Smaldone, Olga Revelles, Ahmed Gaballa, Uwe Sauer, Haike Antelmann, John D Helmann
A global investigation of the Bacillus subtilis iron-sparing response identifies major changes in metabolism.
J Bacteriol: 2012, 194(10);2594-605
[PubMed:22389480] [WorldCat.org] [DOI] (I p)

Ahmed Gaballa, Haike Antelmann, Claudio Aguilar, Sukhjit K Khakh, Kyung-Bok Song, Gregory T Smaldone, John D Helmann
The Bacillus subtilis iron-sparing response is mediated by a Fur-regulated small RNA and three small, basic proteins.
Proc Natl Acad Sci U S A: 2008, 105(33);11927-32
[PubMed:18697947] [WorldCat.org] [DOI] (I p)