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prp [2018-03-02 17:07:54]
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prp [2018-03-02 17:07:54]

protein cysteine protease, required for N-terminal cleavage of [protein|44D4CE353E1E532664A508CBE8B49AC8BB861B53|ribosomal protein L27]
locus
BSU27950
pI
4.46
mw
12.16 kDa
protein length
112 aa Sequence Blast
gene length
336 bp Sequence Blast
function
maturation of [protein|44D4CE353E1E532664A508CBE8B49AC8BB861B53|ribosomal protein L27]
product
[protein|44D4CE353E1E532664A508CBE8B49AC8BB861B53|ribosomal protein L27] cysteine protease
essential
yes
synonyms
ysxB

Genomic Context

      

categories

  • [category|SW 3|Information processing] → [category|SW 3.3|Protein synthesis, modification and degradation] → [category|SW 3.3.1|Translation] → [category|SW 3.3.1.6|Ribosome assembly]
  • [category|SW 3|Information processing] → [category|SW 3.3|Protein synthesis, modification and degradation] → [category|SW 3.3.7|Proteolysis] → [category|SW 3.3.7.4|Additional proteins involved in proteolysis]
  • [category|SW 6|Groups of genes] → [category|SW 6.1|Essential genes]
  • Gene

    Coordinates
    2,855,177 → 2,855,515

    Phenotypes of a mutant

  • essential [Pubmed|28189581]
  • The protein

    Catalyzed reaction/ biological activity

  • N-terminal cleavage of [protein|44D4CE353E1E532664A508CBE8B49AC8BB861B53|ribosomal protein L27] [Pubmed|25388641]
  • Structure

  • [PDB|2P92] (the protein from ''S. aureus'')
  • Expression and Regulation

    Operons

    genes
    [gene|11927EB0448839D047EC7BF70EC65156DAB481D3|rplU]-[gene|B27548A4BBF396C9BA102A80ACB08B21262CEA30|prp]-[gene|4626C659D6F1A81CCC94030F1CBAF7FEC3DE19CA|rpmA]
    description
    [Pubmed|22383849]

    regulatory mechanism

  • [regulon|stringent response|stringent response]: negative regulation, in [regulon|stringent response|stringent response]
  • regulation

  • [protein|CEE73284EFC0DBE8870CE0B474922DED79475A57|RelA] dependent downregulation (Class I) during stringent response [Pubmed|11948165]
  • likely autorepression of the [gene|11927EB0448839D047EC7BF70EC65156DAB481D3|rplU]→[gene|4626C659D6F1A81CCC94030F1CBAF7FEC3DE19CA|rpmA] operon expression upon binding of excess of one ribosomal protein to the untranslated region of the [gene|11927EB0448839D047EC7BF70EC65156DAB481D3|rplU]→[gene|4626C659D6F1A81CCC94030F1CBAF7FEC3DE19CA|rpmA] mRNA [Pubmed|17616982]
  • view in new tab

    genes
    [gene|AB2A3422277040107AAF90358BBE58608F8E0738|spoIVFA]-[gene|8801B095C2CE36F3E0B9DBBF489FFB217087DC0A|spoIVFB]-[gene|11927EB0448839D047EC7BF70EC65156DAB481D3|rplU]-[gene|B27548A4BBF396C9BA102A80ACB08B21262CEA30|prp]-[gene|4626C659D6F1A81CCC94030F1CBAF7FEC3DE19CA|rpmA]
    description
    [Pubmed|22383849]

    regulation

  • expressed early during sporulation in the mother cell ([protein|search|SigE], [SW|SpoIIID]) [Pubmed|15699190,1942049,15383836]
  • additional information

  • the domains that inhibits [protein|search|SpoIVFB] is cleaved off by [protein|search|CtpB] (second cleavage) [PubMed|24243021]
  • view in new tab

    References

  • 11948165,25388641,22383849,28187498,28189581