[Ca2+]i	Intracellular Ca2+
[Cl-]i	Intracellular Cl-
[K+]i	Intracellular K+
[Mg2+]i	Intracellular Mg2+
ABC	ATP-binding cassette
ABHD2	Alpha/beta hydrolase domain-containing protein 2
AMPK	5′ AMP-activated protein kinase
BK	Big calcium
BSA	Bovine serum albumin
CatSper	Cation channel of sperm
CBS	Cystathionine beta-synthase
CaCC	Ca2+-activated Cl− channel
CaM	Calcium-modulated protein
cAMP	Cyclic adenosine monophosphate
CBD	Ca2+ binding domain
CFTR	Cystic fibrosis transmembrane conductance regulator
cGMP	Cyclic guanosine monophosphate
CNBD	Cyclic nucleotide binding domain
CNGK	Cyclic nucleotide-gated channels
EFCAB9	EF-hand calcium-binding domain-containing protein 9
ER	Endoplasmic reticulum
HVA	High voltage activation
ICSI	Intracytoplasmic sperm injection
IVF	In vitro fertilization
LRRC	Leucine-rich repeat-containing membrane proteins
LVA	Low voltage activation
MSD	Membrane spanning domain
NADA	N-arachidonoyl dopamine
NBD	Nucleotide binding domains
NCKX	K+-dependent Na+/Ca2+ exchanger
NCX	Na+/Ca2+ exchanger
NKA	Na+/K+-ATPase
NOX5	NADPH oxidase 5
pHi	Intracellular pH
PIP2	Phosphatidylinositol 4,5-bisphosphate
PKA	Serine/threonine protein kinase A
PKC	Protein kinase C
PMCA	Plasma membrane Ca2+-ATPase
PTK	Protein tyrosine kinase
RCK	Regulator of K+ conductance
RD	Repeat domain
ROS	Reactive oxygen species
sAC	Soluble adenyl cyclases
SAPs	Sperm-activating peptides
SOCC	Store-operated Ca2+ channel
TM	Transmembrane α helix
TRP	Transient receptor potential
TRPV	Transient receptor potential vanilloid
VGCC	Voltage-gated Ca2+ channel
VGNC	Voltage-gated Na+ channel
Vm	Membrane potential
VSD	Voltage-sensing domain
VSP	Voltage-sensing phosphatase