FbpB

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  • Description: Fur-regulated basic protein, acts as RNA chaperone for fsrA, response to iron limitation

Gene name fbpB
Synonyms ydbN
Essential no
Product Fur-regulated basic protein, acts as RNA chaperone
for fsrA, response to iron limitation
Function RNA chaperone
MW, pI 6 kDa, 9.9
Gene length, protein length 177 bp, 59 aa
Immediate neighbours ydbM, fbpA
Get the DNA and protein sequences
(Barbe et al., 2009)
Genetic context
FbpA fbpB context.jpeg



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 FbpB regulon: lutA-lutB-lutC

The gene

Basic information

  • Locus tag: BSU04530

Phenotypes of a mutant

Database entries

  • DBTBS entry: [1]
  • SubtiList entry: [2]

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:

Database entries

  • Structure:
  • KEGG entry: [3]
  • E.C. number:

Additional information

Expression and regulation

  • Sigma factor:
  • Regulation:
  • Regulatory mechanism:
  • Additional information:
    • The mRNA has a long 5' leader region. This may indicate RNA-based regulation PubMed

Biological materials

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

Labs working on this gene/protein

Your additional remarks

References