U4 small nuclear RNA 16, pseudogene (RNU4-16P)

RNU4-16P (RNA, U4 small nuclear 16, pseudogene) is a pseudogene derived from the U4 small nuclear RNA (snRNA) family. It does not encode a functional RNA or protein product. Pseudogenes such as RNU4-16P are generally non-functional genomic sequences closely related to active snRNA genes; they likely arise via mechanisms such as reverse transcription followed by genomic integration. RNU4-16P matches the functional U4 snRNA sequence except at a few positions and is flanked by direct repeats, supporting the hypothesis that it was generated by retrotransposition[1]. Functional U4 snRNA is an essential spliceosomal RNA critical for mRNA splicing, but the pseudogene does not contribute to splicing, has no demonstrated function or disease association, and is not a therapeutic or biomarker target. Important clarification: While U4 snRNA (encoded primarily by the RNU4-2 gene) is an essential and disease-associated non-coding RNA, RNU4-16P is a pseudogene and thus not a functional "target" in the sense of therapeutic targeting, biomarker development, or biological function[1][3][4]. Key points for structured information extraction: - This entry is sometimes misidentified as a functional snRNA or as a gene of interest; any functional or disease relevance is related to active U4 snRNA genes (not the pseudogene)[1][3][4]. - There are no known drugs, biomarkers, or safety issues associated with this pseudogene.

Other names

RNU4-16PRNA, U4 small nuclear 16, pseudogene