Putative serine protease 29 (PRSS29P)

The **Putative serine protease 29 (PRSS29P)** is characterized as a human **pseudogene** predicted to encode a protein with serine-type endopeptidase activity[1][7]. It shares homology with mouse Prss29, which is involved in embryo implantation and proteolytic processes[5], and is part of the peptidase S1 protein family[2]. However, in humans, PRSS29P is annotated as a pseudogene, and current evidence does not support it as a functional protein or active enzyme. It is predicted—but not established—to be situated extracellularly and may play a role upstream of blastocyst hatching and implantation processes, though such functions are inferred from homology and not experimentally verified in humans[1][7]. Commercial assays sometimes target the protein for research in biomarker discovery, especially in cancer, inflammatory, and autoimmune disease contexts, but there are no validated drug interactions or therapeutic applications, and its categorization as a target is not supported by current biomedical standards[2]. **Explanation of key points:** - This gene is annotated as a **pseudogene** in the human genome, meaning it is not generally expressed as a protein-coding gene, and to date, there is no validated functionally active protein product in humans[1]. - Any functions or roles are predictions/homology-based, largely from orthologs in model organisms (like mouse Prss29), not experimentally confirmed in humans. - The gene and its product are not considered **therapeutic targets** in drug discovery, and no clinical drugs are known to act on this entity. - As a pseudogene, implication in disease or utility as a biomarker remains speculative, mainly used in research contexts, and not recognized in medical diagnostics[2]. - The presence of commercial ELISA kits reflects research interest but does not establish functional or therapeutic relevance[2].

Other names

PRSS29PImplantation serine proteinase 2-like proteinISP2-like proteinISP2Isp2