sspK

168

small acid-soluble spore protein (minor) SASP

Locus: BSU_08550

Molecular weight: 5.72 kDa

Isoelectric point: 10.18

Protein length: 50 aa

Gene length: 153 bp

Function: protection of spore DNA

Product: small acid-soluble spore protein (minor) SASP

Essential: no

Synonyms: sspK

Genomic Context

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List of homologs in different organisms, belongs to COG5857 (Galperin et al., 2021)

Gene

Coordinates: 928,112  928,264

The protein

Protein family

• sspK family (single member, according to UniProt)

Structure

• Q7WY75 (AlphaFold)

Localization

• spore core (according to Swiss-Prot)

Expression and Regulation

Operons

• Genes: sspK

  Description: PubMed

  Regulation

  • expressed during sporulation in the forespore (SigG) PubMed

  Sigma factors

  • 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

• BKE08550 (sspK::erm  trpC2) available at BGSC,  PubMed, upstream reverse: _UP1_CATGTCATATCCCCCTAGGT,  downstream forward: _UP4_TAAAGAAGAACAGCTGCATA
• BKK08550 (sspK::kan  trpC2) available at BGSC,  PubMed, upstream reverse: _UP1_CATGTCATATCCCCCTAGGT,  downstream forward: _UP4_TAAAGAAGAACAGCTGCATA

References

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