Also known as snRNP, Ribonucleoproteins, Small Nuclear, small nuclear ribonucleoprotein
snRNPs (pronounced "snurps"), or small nuclear ribonucleoproteins, are RNA-protein complexes that combine with unmodified pre-mRNA and various other proteins to form a spliceosome, a large RNA-protein molecular complex upon which splicing of pre-mRNA occurs. The action of snRNPs is essential to the removal of introns from pre-mRNA, a critical aspect of post-transcriptional modification of RNA, occurring only in the nucleus of eukaryotic cells. Additionally, U7 snRNP is not involved in splicing at all, as U7 snRNP is responsible for processing the 3′ stem-loop of histone pre-mRNA.
via PubMed
As snRNPs são complexos proteicos compostos por pequenos RNAs nucleares (snRNAs) de 60 a 300 nucleotídeos que são altamente conservados. As proteínas U1-snRNA, U2-snRNP, U4.U6snRNP e U5-snRNP se ligam aos snRNAs e permitem o splicing. O processo de splicing ocorre em um complexo chamado de spliceossomo composto de um pré-RNA, quatro snRNPs e algumas proteínas que se ligam ao pré-RNA, assim permitindo a maturação do pré-RNA. Essas quatros snRNPs possuem uma proteína central snRNP que é composta por sete proteínas Sm que são conhecidas como, proteinas B, D1, D2, D3, E, F e G.
Abstract from DBpedia / Wikipedia · CC BY-SA
via Wikidata sitelinks · CC0
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).