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In humans, as in most eukaryotes, the 18S rRNA is a component of 40S ribosomal subunit, and the 60S large subunit contains three rRNA species (the 5S, 5.8S and 28S in mammals, 25S in plants). 60S rRNA acts as a ribozyme, catalyzing peptide bond formation, while 40S monitors the complementarity between tRNA anticodon and mRNA. [citation needed]
The 5S ribosomal RNA (5S rRNA) is an approximately 120 nucleotide-long ribosomal RNA molecule with a mass of 40 kDa.It is a structural and functional component of the large subunit of the ribosome in all domains of life (bacteria, archaea, and eukaryotes), with the exception of mitochondrial ribosomes of fungi and animals.
The DNA for the 5S subunit occurs in tandem arrays (~200–300 true 5S genes and many dispersed pseudogenes), the largest one on the chromosome 1q41-42. 5S rRNA is transcribed by RNA polymerase III. The 18S rRNA in most eukaryotes is in the small ribosomal subunit, and the large subunit contains three rRNA species (the 5S , 5.8S and 28S in ...
The ribosomal DNA includes all genes coding for the non-coding structural ribosomal RNA molecules. Across all domains of life, these are the structural sequences of the small subunit (16S or 18S rRNA) and the large subunit (23S or 28S rRNA). The assembly of the latter also include the 5S rRNA as well as the additional 5.8S rRNA in eukaryotes.
n/a Ensembl n/a n/a UniProt n a n/a RefSeq (mRNA) n/a n/a RefSeq (protein) n/a n/a Location (UCSC) n/a n/a PubMed search n/a Wikidata View/Edit Human RNA, 5S cluster 1, also known as RN5S1@, is a human gene encoding the 5S subunit of ribosomal RNA. References ^ "Human PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine. ^ "Entrez Gene: RN5S1 ...
ribosomal RNA multiple families: 5S rRNA: 5S ribosomal RNA RF00001: 5.8S rRNA: 5.8S ribosomal RNA RF00002: SSU rRNA: small subunit ribosomal RNA CL00111: LSU rRNA: large subunit ribosomal RNA CL00112: NoRC RNA: nucleolar remodeling complex associated RNA RF01518: pRNA promoter RNA RF01518: synonym of NoRC RNA: 6S RNA: 6S RNA RF00013: SsrS RNA ...
Ribonuclease M5 (EC 3.1.26.8, RNase M5, 5S ribosomal maturation nuclease, 5S ribosomal RNA maturation endonuclease) is an enzyme. [1] This enzyme catalyses the following chemical reaction Endonucleolytic cleavage of RNA, removing 21 and 42 nucleotides , respectively, from the 5'- and 3'-termini of a 5S-rRNA precursor
The 5S ribosomal RNA is transcribed by Pol III. Because of the simplicity of Pol I transcription, it is the fastest-acting polymerase and contributes up to 60% of cellular transcription levels in exponentially growing cells. In Saccharomyces cerevisiae, the 5S rDNA has the unusual feature of lying inside the rDNA repeat. It is flanked by non ...