RNA, U7 small nuclear 2 pseudogene (RNU7-2P)

RNU7-2P is classified as a **pseudogene** of the U7 small nuclear RNA gene. Pseudogenes are genomic DNA sequences similar to normal genes but are non-functional; they typically arise from duplication or retrotransposition events. The functional U7 small nuclear RNA is a component of the U7 snRNP complex involved in the 3'-end processing of replication-dependent histone pre-mRNA, a process critical for histone biosynthesis and, indirectly, DNA replication and cell proliferation[1][4][5]. However, as a pseudogene, RNU7-2P itself is not transcribed into a functional product and does not perform any known biological role or serve as a therapeutic target. RNU7-2P may be referenced in genomic studies and annotated in gene databases, but it lacks established function, disease association, or drug interactions[1][5]. **Key context:** - RNU7-2P is distinct from the functional U7 snRNA gene (RNU7-1 or RNU7) that is essential for histone mRNA processing[4]. - There are several U7 snRNA pseudogenes described in the human genome, but none are known to have a biological function[1][4][5]. - The functional U7 snRNA is minimally 57–70 nucleotides long, forms part of the U7 snRNP, and is critical for a specific pre-mRNA processing step unique to metazoan histone genes[4]. Pseudogenes such as RNU7-2P do not participate in this process. **Problem/limitation with this entry:** - **RNU7-2P is not a protein, enzyme, receptor, or any classical molecular therapeutic target;** it is a non-functional pseudogene for a small nuclear RNA. Therefore, it would not have expected molecular function, disease associations, nor drug interactions and should not be considered a therapeutic target[1][5]. - Databases may list variants of these pseudogenes, but most do not express stable or functional RNA products[4][5].

Other names

U7.2RNA, small nuclear U7.2 pseudogeneRNU7-2P