RNA, U4 small nuclear 56, pseudogene (RNU4-56P)

RNU4-56P (RNA, U4 small nuclear 56, pseudogene) is a non-functional genetic element categorized as a pseudogene within the U4 small nuclear RNA family. The functional U4 snRNA is essential for pre-mRNA splicing as part of the spliceosome, but RNU4-56P itself does not encode a functional RNA and has no known biological role, disease association, or relevance to drug targets. This locus exists in the genome likely as a remnant of evolutionary duplication and has not been implicated in human disease or therapy[1][3]. Important clarification: Much of the research and disease relevance attaches to functional U4 snRNA genes (such as RNU4-2), which is highly expressed in brain and whose variants are associated with neurodevelopmental disorders[2][3]. RNU4-56P is distinct, lacks function, and is not synonymous with RNU4-2 or other functional U4 genes. Information regarding splicing, disease, and drug interaction reported in the literature pertains to functional U4 snRNA, not to pseudogenes like RNU4-56P[1][3]. If you seek functional, disease-associated molecules, consider RNA, U4 small nuclear 2 (RNU4-2) rather than the non-coding, non-functional RNU4-56P.

Other names

RNU4-56PRNA, U4 small nuclear 56, pseudogene

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