SubtiBank SubtiBank
rplU
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rplU

ribosomal protein
locus
BSU27960
pI
10.16
mw
11.14 kDa
protein length
102 aa Sequence Blast
gene length
306 bp Sequence Blast
function
translation
product
ribosomal protein L21 (BL20)
essential
yes
synonyms

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 3.3.1.4|Ribosomal proteins]
  • [category|SW 6|Groups of genes] → [category|SW 6.1|Essential genes]
  • Gene

    Coordinates
    2,855,518 → 2,855,826

    Phenotypes of a mutant

  • essential [Pubmed|23002217,12682299]
  • The protein

    Protein family

  • [SW|ribosomal protein] L21P family (according to Swiss-Prot)
  • Structure

  • [PDB|3J9W] (the [SW|ribosome]) [Pubmed|25903689]
  • 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]
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    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]
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    References

  • 19653700,20525796,11948165,23002217,22383849,25903689,17616982