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  • Description: bacteriocin producer immunity protein

Gene name sunI
Synonyms yolF
Essential no
Product bacteriocin producer immunity protein
Function immunity to sublancin
MW, pI 12 kDa, 9.222
Gene length, protein length 315 bp, 105 aa
Immediate neighbours sunA, uvrX
Get the DNA and protein sequences
(Barbe et al., 2009)
Genetic context
YolF context.gif
This image was kindly provided by SubtiList

Categories containing this gene/protein

resistance against toxins/ antibiotics, SP-beta prophage, membrane proteins

This gene is a member of the following regulons

The gene

Basic information

  • Locus tag: BSU21490

Phenotypes of a mutant

Database entries

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

Additional information

The protein

Basic information/ Evolution

  • Catalyzed reaction/ biological activity: mediates immunity to sublancin PubMed
  • Protein family: ribosomal protein S1P family (according to Swiss-Prot)
  • Paralogous protein(s):

Extended information on the protein

  • Kinetic information:
  • Domains:
  • Modification:
  • Cofactor(s):
  • Effectors of protein activity:

Database entries

  • Structure:
  • KEGG entry: [2]
  • E.C. number:

Additional information

Expression and regulation

  • Operon:
  • Sigma factor:
  • Regulation:
  • Regulatory mechanism:
  • Additional information:

Biological materials

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

Labs working on this gene/protein

Jan Maarten van Dijl, Groningen, Netherlands

Your additional remarks


Jean-Yves F Dubois, Thijs R H M Kouwen, Anna K C Schurich, Carlos R Reis, Hendrik T Ensing, Erik N Trip, Jessica C Zweers, Jan Maarten van Dijl
Immunity to the bacteriocin sublancin 168 Is determined by the SunI (YolF) protein of Bacillus subtilis.
Antimicrob. Agents Chemother.: 2009, 53(2);651-61
[PubMed:19047653] [] [DOI] (I p)

Hannes Hahne, Susanne Wolff, Michael Hecker, Dörte Becher
From complementarity to comprehensiveness--targeting the membrane proteome of growing Bacillus subtilis by divergent approaches.
Proteomics: 2008, 8(19);4123-36
[PubMed:18763711] [] [DOI] (I p)