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RNA, Ribosomal

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Definition: The most abundant form of RNA. Together with proteins, it forms the ribosomes, playing a structural role and also a role in ribosomal binding of mRNA and tRNAs. Individual chains are conventionally designated by their sedimentation coefficients. In eukaryotes, four large chains exist, synthesized in the nucleolus and constituting about 50% of the ribosome. (Dorland, 28th ed)  IM; /drug eff /ultrastruct permitted; RRNA OPERON is also available   
Examples RNA, Ribosomal, 5S; RNA, Ribosomal, 5.8S; RNA, Ribosomal, 16S; RNA, Ribosomal, 18S; RNA, Ribosomal, 23S; RNA, Ribosomal, 28S; RNA, Ribosomal, Self-Splicing 		Other names Ribosomal RNA; RNA, 15S; 15S RNA
 
SubstanceCAS Registry & nameCategoriesSourceDrugs*
21S rRNA  0   *RNA, Ribosomal Saccharomyces cerevisiae. EMBO J 2002 Mar 1;21(5):1139-47
RNA, ribosomal X  0   *RNA, Ribosomal. Gene 1997 Jul 31;194(2):291-5
RNA, ribosomal, 19S  0   *RNA, Ribosomal. Mol Biol (Mosk) 1995 May-Jun;29(3):546-52
RNA, ribosomal, 45S  0   *RNA, Ribosomal. Gene Expr 1993;3(3):229-36
RNA, ribosomal, 12S  0   *RNA, Ribosomal. Genetica 1992;85(2):131-8
RNA, ribosomal, 26S  0   *RNA, Ribosomal. J Mol Evol 1990;30(6):514
RNA, ribosomal, 25S  130527-23-0   *RNA, Ribosomal. Nucleic Acids Res 1990;18(13):4011
poly(A) ribosomal RNA  0   *Poly A *RNA, Ribosomal. J Biol Chem 1985;260(2):765

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