Olfactory receptor family 4 subfamily A member 12 pseudogene (OR4A12P)

Olfactory receptor family 4 subfamily A member 12 pseudogene (OR4A12P) is classified as a pseudogene in humans. While canonical olfactory receptors are G protein-coupled receptors involved in odorant detection and neuronal signaling, pseudogenes like OR4A12P contain disabling mutations (such as premature stop codons or frame shifts), and do not encode functional proteins[1][4]. These loci are typically evolutionary remnants, reflecting reduced selective pressure for certain olfactory functions in humans. There is no evidence that OR4A12P is expressed as a functional receptor protein or participates in typical olfactory or other biological processes. Pseudogenes can sometimes produce regulatory RNAs, but for OR4A12P, no direct function or disease association has been established[4]. Notes/Clarifications: - OR4A12P's locus and sequence are closely related to the large human olfactory receptor gene family, which belongs structurally to the class A GPCR superfamily[1][3]. However, as a pseudogene, it is not a functional member of this molecular class. - There is nothing technically "incorrect" about the designation or provided name, but it is not a therapeutic target and should not be considered a functional receptor[1][4]. - No known aliases exist beyond abbreviation and descriptive names. - No evidence supports roles in disease, drug interaction, biomarker application, or mechanistic pharmacology.

Other names

OR4A12Polfactory receptor, family 4, subfamily A, member 12 pseudogene