RNA, 5S ribosomal pseudogene 393 (RNA5SP393)

RNA, 5S ribosomal pseudogene 393 is a processed pseudogene derived from the 5S ribosomal RNA gene family. 5S rRNA itself is a conserved, 120-nucleotide noncoding RNA that forms part of the large ribosomal subunit in eukaryotes and plays a structural and functional role in protein synthesis, linking different functional centers of the ribosome[1][3][5]. However, pseudogenes like RNA5SP393 are fragments or copies of rRNA genes that have acquired enough mutations or structural changes over time to render them nonfunctional: they do not produce active rRNA and are not transcribed to a functional product[2][4]. Such pseudogenes are widespread in the genome, often regarded as "junk DNA," and are a byproduct of the evolution and turnover of rRNA gene clusters[2]. Some pseudogenes in general can rarely have regulatory effects by acting as competing endogenous RNAs (ceRNAs) or miRNA sponges, but there is no evidence reported for such a function for RNA5SP393 specifically[4]. Summary of core facts: - RNA, 5S ribosomal pseudogene 393 is a noncoding RNA pseudogene, not a functional ribosomal RNA, enzyme, or receptor. - It is not a therapeutic target or biologically active molecule. - No drugs, mechanism of action, biomarker roles, or disease relevance are established for this pseudogene. - Its main significance lies in being a marker of ribosomal RNA gene family evolution and genome structure, not clinical or pharmacological use[2].

Other names

RN5S393RNA5SP393RNA, 5S ribosomal 393