Selenophosphate synthetase 1 pseudogene 4 (SEPHS1P4)

Selenophosphate synthetase 1 pseudogene 4 (SEPHS1P4) is a **pseudogene**, meaning it is a DNA segment similar to a functional gene (in this case, likely selenophosphate synthetase 1) but is generally nonfunctional due to disabling mutations or absence of regulatory elements[1][3][4]. Pseudogenes like SEPHS1P4 do not encode functional proteins and are not considered therapeutic targets. Most have no role in cellular processes; however, some pseudogenes can, in rare instances, impact gene regulation by acting as decoys for regulatory RNAs or by producing regulatory transcripts[2][4]. SEPHS1P4 itself has no established molecular function, drug interactions, biomarker status, or safety concerns and is most useful as a genomic annotation rather than a functional biotarget[1][3][4].