sspN

168

small acid-soluble spore protein (minor)

Locus: BSU_18020

Molecular weight: 5.22 kDa

Isoelectric point: 10.44

Protein length: 48 aa

Gene length: 147 bp

Function: protection of spore DNA

Product: small acid-soluble spore protein (minor)

Essential: no

Synonyms: sspN

Genomic Context

Hide small RNAsZoom:

List of homologs in different organisms, belongs to COG5859 (Galperin et al., 2021)

Gene

Coordinates: 1,930,264  1,930,410

The protein

Protein family

• sspN family (single member, according to UniProt)

Structure

• Q7WY69 (AlphaFold)

Localization

• spore core (according to Swiss-Prot)

Expression and Regulation

Operons

• Genes: sspN-tlp

  Description: PubMed

  Regulation

  • expressed during sporulation in the forespore (SigF, SigG) PubMed

  Sigma factors

  • SigF: sigma factor, PubMed, in sigF regulon
  • SigG: sigma factor, PubMed, in sigG regulon

Additional information

• the mRNA belongs to the 46 most abundant mRNA species in dormant spores PubMed

Biological materials

Mutant

• BKE18020 (sspN::erm  trpC2) available at BGSC,  PubMed, upstream reverse: _UP1_CATGTTTATCCCTCCTCAAC,  downstream forward: _UP4_TAGCGAAAATTCGAGTTTAT
• BKK18020 (sspN::kan  trpC2) available at BGSC,  PubMed, upstream reverse: _UP1_CATGTTTATCCCTCCTCAAC,  downstream forward: _UP4_TAGCGAAAATTCGAGTTTAT

References

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