BAPTA	1,2-bis(o-aminophenoxy)ethane-N,N,N’,N’-tetraacetic acid
Ca2+i	Intracellular Ca2+
[Ca2+]i	Intracellular Ca2+ concentration
cDNA	Complementary DNA
CRC	Concentration-response curve
Cryo-EM	Cryo-electron microscopy
DMEM	Dulbecco’s modified Eagle’s medium
D-PBS	Dulbecco’s phosphate buffered saline
EC50	Half maximal effective concentration
EGFP	Enhanced green fluorescent protein
EGTA	Ethylene glycol-bis(2-aminoethylether)-N,N,N′,N′-tetraacetic acid
HEPES	2-[4-(2-hydroxyethyl)piperazin-1-yl]ethanesulfonic acid
IP3	Inositol trisphosphate
PI(4,5)P2	Phosphatidylinositol 4,5-bisphosphate
PLC	Phospholipase C
Sx	Transmembrane segment x
TRPM	Transient receptor potential melastatin
UTR	Untranslated region