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Gene Review

Rn5s  -  5S RNA

Mus musculus

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Disease relevance of Rn5s

  • Both oligonucleotide patterns produced with these enzymes from 5S RNA of the liver were also identical with those of the hepatoma [1].
  • Synthesis of alpha- and beta-globin RNA in DMSO-induced Friend's erythroleukemia cells and synthesis of immunoglobulin gamma- and kappa-chain RNA, total RNA, 5S RNA, and tRNA in mouse myeloma cells (MPC-11) was inhibited by gamma-irradiation [2].

High impact information on Rn5s

  • Transcripts produced after injection of the Xenopus 5S RNA gene into oocyte germinal vesicles of mice migrate electrophoretically with the 5S RNA marker, an indication that the gene is transcribed and processed with considerable accuracy [3].
  • The RNP is small (approximately 7S) and contains most of the nonribosome-associated 5S RNA molecules in HeLa cells [4].
  • The 5S RNA in the particle is matured at its 3' end, consistent with the results of in vivo pulse-chase experiments which indicate that this RNP represents a later step in 5S biogenesis than a previously described 5S*/La protein complex [4].
  • On the other hand, polyoma RNA and 5S RNA synthesis were inhibited by novobiocin in a way that suggested the requirement of a DNA topoisomerase II or DNA gyrase activity for the initiation of transcription [5].
  • The N-terminal amino acid sequence of this 34,000-molecular-weight protein demonstrated that the first 40 amino acids were identical to the ribosomal L5 protein, found in the large rRNA subunit and bound to 5S RNA [6].

Biological context of Rn5s


Anatomical context of Rn5s

  • However, when 5S ribosomal RNA was extracted from ribosomes which were prepared from microsomal pellet, pancreatic RNase digest contained two trinucleotides (A-G-Cp and G-A-Cp) that were not found in 5S RNA prepared with a one-step procedure [1].
  • Reticulocyte lysates contain ribosome-bound and free populations of 5S RNA [8].

Associations of Rn5s with chemical compounds

  • Glutamate tRNA genes are adjacent to 5S RNA genes in Drosophila and reveal a conserved upstream sequence (the ACT-TA box) [7].

Regulatory relationships of Rn5s

  • The results showed that polyoma-induced stimulation of cellular hnRNA (hnRNP) synthesis, the earliest presently known host cell reaction, preceded onset of stimulated 45S pre-rRNA synthesis and that the latter was paralleled by polyoma-induced stimulation of 5S RNA, tRNA and overall protein synthesis [9].

Other interactions of Rn5s

  • Scaffold RNA represented three fractions: a major RNA fraction with an electrophoretic mobility corresponding to that of 5S RNA and two minor fractions with electrophoretic mobilities somewhat lower than that of 18S RNA [10].

Analytical, diagnostic and therapeutic context of Rn5s

  • The relation between polyoma T-antigen and increased 5S RNA synthesis in cell-free extracts from polyoma-infected mouse kidney cell cultures [11].
  • Complete removal of the polyoma T-antigens from S100-Py by 3 cycles of immunoprecipitation with hamster anti-T serum remained without effect on stimulated 5S RNA synthesis [11].


  1. Oligonucleotide sequences of pancreatic and T1 ribonuclease digests of 5S ribosomal RNA from mouse cells. Takai, K., Hashimoto, S., Muramatsu, M. Biochemistry (1975) [Pubmed]
  2. Structure of transcriptionally active chromatin: radiological evidence for requirement of torsionally constrained DNA. Rodi, C.P., Sauerbier, W. J. Cell. Physiol. (1989) [Pubmed]
  3. Mouse oocytes transcribe injected Xenopus 5S RNA gene. Brinster, R.L., Chen, H.Y., Trumbauer, M.E. Science (1981) [Pubmed]
  4. A 5S rRNA/L5 complex is a precursor to ribosome assembly in mammalian cells. Steitz, J.A., Berg, C., Hendrick, J.P., La Branche-Chabot, H., Metspalu, A., Rinke, J., Yario, T. J. Cell Biol. (1988) [Pubmed]
  5. In vitro transcription by Xenopus oocytes RNA polymerase III requires a DNA topoisomerase II activity. Glikin, G.C., Blangy, D. EMBO J. (1986) [Pubmed]
  6. The ribosomal L5 protein is associated with mdm-2 and mdm-2-p53 complexes. Marechal, V., Elenbaas, B., Piette, J., Nicolas, J.C., Levine, A.J. Mol. Cell. Biol. (1994) [Pubmed]
  7. Glutamate tRNA genes are adjacent to 5S RNA genes in Drosophila and reveal a conserved upstream sequence (the ACT-TA box). Indik, Z.K., Tartof, K.D. Nucleic Acids Res. (1982) [Pubmed]
  8. Release of ribosome-bound 5S rRNA upon cleavage of the phosphodiester bond between nucleotides A54 and A55 in 5S rRNA. Holmberg, L., Nygård, O. Biol. Chem. (2000) [Pubmed]
  9. Sequential stimulation of cellular RNA synthesis in polyoma-infected mouse kidney cell cultures. Matter, J.M., Tiercy, J.M., Weil, R. Nucleic Acids Res. (1983) [Pubmed]
  10. Macromolecular and ultrastructural organization of the mitotic chromosome scaffold. Donev, R.M., Djondjurov, L.P. DNA Cell Biol. (1999) [Pubmed]
  11. The relation between polyoma T-antigen and increased 5S RNA synthesis in cell-free extracts from polyoma-infected mouse kidney cell cultures. Matter, J.M., Weil, R. Nucleic Acids Res. (1982) [Pubmed]
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