PROSITE documentation PDOC00309
Ribosomal protein L5 signature


Ribosomal protein L5 is one of the proteins from the large ribosomal subunit. In Escherichia coli, L5 is known to be involved in binding 5S RNA to the large ribosomal subunit. It belongs to a family of ribosomal proteins which, on the basis of sequence similarities [1,2,3,4], groups:

  • Eubacterial L5.
  • Algal chloroplast L5.
  • Cyanelle L5.
  • Archaebacterial L5.
  • Mammalian L11.
  • Tetrahymena thermophila L21.
  • Slime mold L5 (V18).
  • Yeast L16 (39A).
  • Plants mitochondrial L5.

L5 is a protein of about 180 amino-acid residues. As a signature pattern, we have selected a conserved region, located in the first third of these proteins.

Last update:

July 1999 / Pattern and text revised.


Technical section

PROSITE method (with tools and information) covered by this documentation:

RIBOSOMAL_L5, PS00358; Ribosomal protein L5 signature  (PATTERN)


1AuthorsHatakeyama T. Hatakeyama T.
TitleAmino acid sequences of the ribosomal proteins HL30 and HmaL5 from the archaebacterium Halobacterium marismortui.
SourceBiochim. Biophys. Acta 1039:343-347(1990).
PubMed ID2198942

2AuthorsRosendahl G. Andreasen P.H. Kristiansen K.
TitleStructure and evolution of the Tetrahymena thermophila gene encoding ribosomal protein L21.
SourceGene 98:161-167(1991).
PubMed ID2016059

3AuthorsYang D. Gunther I. Matheson A.T. Auer J. Spicker G. Boeck A.
TitleThe structure of the gene for ribosomal protein L5 in the archaebacterium Sulfolobus acidocaldarius.
SourceBiochimie 73:679-682(1991).
PubMed ID1840500

4AuthorsOtaka E. Hashimoto T. Mizuta K. Suzuki K.
SourceProtein Seq. Data Anal. 5:301-313(1993).

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