sspK

small acid-soluble spore protein (minor) SASP

locus: BSU_08550

pI: 10.18

mw: 5.72 kDa

protein length: 50 aa

gene length: 153 bp

function: protection of spore DNA

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

essential: no

synonyms

Genomic Context

categories

• [category|SW 4|Lifestyles] → [category|SW 4.2|Sporulation] → [category|SW 4.2.1|Sporulation proteins] → [category|SW 4.2.1.3|Small acid-soluble spore proteins]

Gene

Coordinates: 928,112 928,264

The protein

Protein family

• sspK family (single member, according to UniProt)

[SW|Localization]

• spore core (according to Swiss-Prot)

Expression and Regulation

Operons

• genes: [gene|720E08387CA2B2ED6F1CC35E1F8756EFEFC43385|sspK]
  description: [Pubmed|10806362]

  sigma factors

  • [protein|5F24258282F3166B7696B9E9ABC1706E4D06C944|SigG]: sigma factor, [Pubmed|15699190,10806362], in [regulon|5F24258282F3166B7696B9E9ABC1706E4D06C944|SigG regulon]

  regulation

  • expressed during sporulation in the forespore ([protein|search|SigG]) [Pubmed|16497325]

additional information

• the mRNA belongs to the 46 most abundant mRNA species in dormant spores [pubmed|30782632]

Biological materials

Mutant

• BKE08550 ([gene|720E08387CA2B2ED6F1CC35E1F8756EFEFC43385|sspK]::erm trpC2) available at [http://www.bgsc.org/getdetail.php?bgscid=BKE08550 BGSC], [Pubmed|28189581], upstream reverse: _UP1_CATGTCATATCCCCCTAGGT, downstream forward: _UP4_TAAAGAAGAACAGCTGCATA
• BKK08550 ([gene|720E08387CA2B2ED6F1CC35E1F8756EFEFC43385|sspK]::kan trpC2) available at [http://www.bgsc.org/getdetail.php?bgscid=BKK08550 BGSC], [Pubmed|28189581], upstream reverse: _UP1_CATGTCATATCCCCCTAGGT, downstream forward: _UP4_TAAAGAAGAACAGCTGCATA

References

• 10806362,30782632