Mas-related G-protein coupled receptor member G (MRGPRG)

Mas-related G-protein coupled receptor member G (MRGPRG) is an orphan GPCR predicted to be membrane-localized and involved in G-protein coupled receptor signaling[4]. It belongs to the Mas-related GPCR family, which is broadly implicated in neuroimmune functions such as noxious sensation, pain, and itch signaling[1]. While structural and pharmacological details are emerging for family members, MRGPRG itself lacks an experimentally solved structure and defined endogenous agonist[1]. Family-wide studies indicate MRGPRs possess atypical ligand binding pockets and rapid sequence evolution, which support potential for therapeutic modulation, but MRGPRG remains classified as an orphan receptor for which druggability and disease associations are not yet established[3][4][1]. MRGPRG is considered a valid molecular target as part of the GPCR superfamily and is structurally similar to other family members with specialized neuroimmune communication roles[1][4][3]. Specific agonists, antagonists, or biomarkers for MRGPRG have not been reported in peer-reviewed sources to date. If you need further details—especially on sequence, tissue expression, or functional studies—additional genomic or pharmacological databases may supplement the above summary, but functional data is currently limited for this receptor.

Other names

Mas-related G-protein coupled receptor member GMRGPRGG-protein coupled receptor 169GPR169MRGGmrgG