Mas-related G-protein coupled receptor member X2 (MRGPRX2)

Mast cell-specific receptor for basic secretagogues, i.e.

cationic amphiphilic drugs, in addition to endo- or exogenous peptides, comprising a simple head group and a hydrophobic core (PubMed:25517090). Recognizes and binds small molecules comprising a cyclized tetrahydroisoquinoline (THIQ), such as non-steroidal neuromuscular blocking drugs (NMBDs), such as tubocurarine and atracurium.