RNA U6 small nuclear 909 pseudogene (RNU6-909P)

RNU6-909P is a pseudogene located on chromosome 5 that is derived from U6 small nuclear RNA. As a pseudogene, it is a non-functional copy of the original U6 snRNA gene that has accumulated mutations over evolutionary time and is no longer capable of producing functional RNA. The parent U6 snRNA is a critical component of the spliceosome, the molecular machine responsible for removing introns from pre-mRNA during RNA processing[1][2]. U6 snRNA is highly conserved across species and plays an essential catalytic role in pre-mRNA splicing by coordinating magnesium ions required for splicing chemistry and helping position substrates for the splicing reaction[3]. The U6 snRNA undergoes extensive conformational changes during spliceosome assembly, first base-pairing with U4 snRNA in the tri-snRNP complex, then later dissociating from U4 to form critical base-pairing interactions with U2 snRNA that create the active site of the spliceosome[3][5]. While the functional U6 snRNA is essential for cell viability, RNU6-909P as a pseudogene does not contribute to these cellular processes but represents an evolutionary remnant of gene duplication events. The presence of multiple U6-derived pseudogenes in vertebrate genomes reflects the evolutionary importance of maintaining functional copies of this critical RNA component[5].

Other names

RNU6-909PENSG00000252867