sspP

168

probable small acid-soluble spore protein (minor)

locus: BSU_17980

Molecular weight: 5.30 kDa

pI: 10.99

Protein length: 48 aa

Gene length: 147 bp

function: protection of spore DNA

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

essential: no

synonyms: sspP, cotL

List of homologs in different organisms, belongs to COG5861 (Galperin et al., 2021)

Gene

Coordinates: 1,926,128  1,926,274

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The protein

Protein family

• sspP family (single member, according to UniProt)

Structure

• [AF|P71032]

[wiki|Localization]

• spore core (according to Swiss-Prot)

Expression and Regulation

Operons

• genes: [gene|174047392BCCE4D57528ED78866626252BBF10D2|sspO]-[gene|6C0BA5B55EE5CF737C4E263BFFF760374054C6AE|sspP]

  description: [Pubmed|10806362]

  regulation

  • expressed late during sporulation in the forespore ([protein|search|SigG]) [Pubmed|10806362]

  sigma factors

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

additional information

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

Biological materials

Mutant

• BKE17980 ([gene|6C0BA5B55EE5CF737C4E263BFFF760374054C6AE|sspP]::erm  trpC2) available at [http://bgsc.org/getdetail.php?bgscid=BKE17980 BGSC],  [Pubmed|28189581], upstream reverse: _UP1_CATAAAATGAGAACCTCCTT,  downstream forward: _UP4_TAAGAAAAGCAGACCTTAGT
• BKK17980 ([gene|6C0BA5B55EE5CF737C4E263BFFF760374054C6AE|sspP]::kan  trpC2) available at [http://bgsc.org/getdetail.php?bgscid=BKK17980 BGSC],  [Pubmed|28189581], upstream reverse: _UP1_CATAAAATGAGAACCTCCTT,  downstream forward: _UP4_TAAGAAAAGCAGACCTTAGT

References

• 10806362,30782632