ACh	acetylcholine
ANR	normal Ringer solution with atropine
aTtP	apparent time to IACh peak
CI	confidence interval
DEA	diethylamine
DMA	2,6-dimethylaniline
EC	extracellular
Fb	Fritillaria bulbs
GABAAR	gamma-aminobutyric acid receptor type A;
hERG	human ether-a-go-go related gene
IACh	ACh-elicited current
IC	intracellular
IGABA	GABA-elicited current
I p	IACh amplitude at the peak
Iss	IACh amplitude 20 s after Ip
LA	local anesthetic
LGIC	ligand-gated ion channel
MD	molecular dynamics simulation
MM|PBSA	molecular mechanics/Poisson-Boltzmann surface area
MS-222	ethyl 3-aminobenzoate methanesulfonate
n	number of oocytes
N	number of oocyte-donor frogs
nAChR	nicotinic acetylcholine receptor
Pm	peimine
RMSD	root-mean-square deviation
SEM	standard error of the mean
TCM	Traditional Chinese medicine
TM	transmembrane spanning-segment