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- Small_nuclear_RNA abstract "Small nuclear ribonucleic acid (snRNA), also commonly referred to as U-RNA, is a class of small RNA molecules that are found within the nucleus of eukaryotic cells. The length of an average snRNA is approximately 150 nucleotides. They are transcribed by either RNA polymerase II or RNA polymerase III, and studies have shown that their primary function is in the processing of pre-mRNA (hnRNA) in the nucleus. They have also been shown to aid in the regulation of transcription factors (7SK RNA) or RNA polymerase II (B2 RNA), and maintaining the telomeres.snRNA are always associated with a set of specific proteins, and the complexes are referred to as small nuclear ribonucleoproteins (snRNP) often pronounced "snurps". Each snRNP particle is composed of several Sm proteins, the snRNA component, and snRNP specific proteins. The most common snRNA components of these complexes are known, respectively, as: U1 snRNA, U2 snRNA, U4 snRNA, U5 snRNA, and U6 snRNA. Their nomenclature derives from their high uridine content.snRNAs were discovered by accident during a gel electrophoresis experiment in 1966. An unexpected type of RNA was found in the gel and investigated. Later analysis has shown that these RNA were high in uridylate and were established in the nucleus.A large group of snRNAs are known as small nucleolar RNAs (snoRNAs). These are small RNA molecules that play an essential role in RNA biogenesis and guide chemical modifications of ribosomal RNAs (rRNAs) and other RNA genes (tRNA and snRNAs). They are located in the nucleolus and the Cajal bodies of eukaryotic cells (the major sites of RNA synthesis), where they are called scaRNAs (small Cajal body-specific RNAs).".
- Small_nuclear_RNA thumbnail Minor_spliceosome.jpg?width=300.
- Small_nuclear_RNA wikiPageID "4630209".
- Small_nuclear_RNA wikiPageRevisionID "595706895".
- Small_nuclear_RNA hasPhotoCollection Small_nuclear_RNA.
- Small_nuclear_RNA subject Category:Molecular_genetics.
- Small_nuclear_RNA subject Category:Non-coding_RNA.
- Small_nuclear_RNA subject Category:RNA.
- Small_nuclear_RNA subject Category:Telomeres.
- Small_nuclear_RNA comment "Small nuclear ribonucleic acid (snRNA), also commonly referred to as U-RNA, is a class of small RNA molecules that are found within the nucleus of eukaryotic cells. The length of an average snRNA is approximately 150 nucleotides. They are transcribed by either RNA polymerase II or RNA polymerase III, and studies have shown that their primary function is in the processing of pre-mRNA (hnRNA) in the nucleus.".
- Small_nuclear_RNA label "Pequeno ARN nuclear".
- Small_nuclear_RNA label "Small nuclear RNA".
- Small_nuclear_RNA label "Small nuclear RNA".
- Small_nuclear_RNA label "SnRNA".
- Small_nuclear_RNA label "SnRNA".
- Small_nuclear_RNA label "Малые ядерные РНК".
- Small_nuclear_RNA label "الحمض النووي الريبي صغير النووية".
- Small_nuclear_RNA label "核小RNA".
- Small_nuclear_RNA sameAs SnRNA.
- Small_nuclear_RNA sameAs SnRNA.
- Small_nuclear_RNA sameAs Small_nuclear_RNA.
- Small_nuclear_RNA sameAs SnRNA.
- Small_nuclear_RNA sameAs Pequeno_ARN_nuclear.
- Small_nuclear_RNA sameAs m.02p8gv1.
- Small_nuclear_RNA sameAs Q284578.
- Small_nuclear_RNA sameAs Q284578.
- Small_nuclear_RNA wasDerivedFrom Small_nuclear_RNA?oldid=595706895.
- Small_nuclear_RNA depiction Minor_spliceosome.jpg.
- Small_nuclear_RNA isPrimaryTopicOf Small_nuclear_RNA.