Pseudogene similar to part of stromal antigen 3

This locus (ENSG00000170409), referred to as a pseudogene similar to part of stromal antigen 3 (STAG3), is a genomic DNA segment with strong sequence similarity to the STAG3 gene but contains genetic alterations (such as mutations or premature stop codons) that prevent it from producing a functional protein[1][5]. Pseudogenes like this one typically do not encode proteins and are generally considered to lack direct biological function, although growing evidence indicates that some can be transcribed and may regulate the expression of related protein-coding genes via noncoding RNA-based mechanisms (such as competing for microRNA binding, acting as antisense regulators, or modulating transcript stability)[3][4]. However, for ENSG00000170409, there is no documented evidence of it being a therapeutic target, interacting with drugs, serving as a biomarker, or having disease or safety associations. As a pseudogene, it should not be considered a canonical drug target. Key points: - This is a **pseudogene**, not a protein-coding gene or classical drug target[1][5]. - There is nothing to suggest direct involvement in any canonical molecular family (e.g., receptor, enzyme, transporter). - Pseudogenes may occasionally regulate other genes epigenetically or post-transcriptionally[3][4]. - No evidence links this particular pseudogene to drug interactions, biomarkers, or disease association. - It is **incorrect** to refer to this as a validated drug target or functional receptor.

Other names

Pseudogene similar to part of stromal antigen 3 STAG3STAG3 pseudogene