AVPR2	arginine vasopressin receptor 2
AD	Alzheimer’s disease
AuNP	gold nanoparticle
asLOV2	LOV domain from Avena sativa
bMCOII	bioluminescence multicharacteristic opsin II
BRET	bioluminescence resonance energy transfer
BEACON	BRET-activated optogenetics
bPAC	photoactivated adenylyl cyclase from Beggiatoa
CTZ	coelenterazine
CRY2	cryptochrome 2
ChR2	channelrhodopsin-2
CPH	caffeylpyruvate hydrolase
Cph1	cyanobacterial phytochrome 1
CHBT	2-cyano-6-hydroxybenzothiazole
CalfluxVTN	calcium flux composed of Venus, troponin, and NanoLuc
CaM	calmodulin
CaMbp	calmodulin binding peptide
cAMP	cyclic AMP
DRD1	dopamine receptor type I
DBD	DNA binding domain
ERα/β	estrogen receptor alpha/beta
ER	endoplasmic reticulum
ERK	extracellular signal-regulated kinase
EYFP	enhanced yellow fluorescent protein
EMCCD	electron-multiplying CCD
eNpHR	enhanced Natronomonas halorhodopsin
eLMO	excitatory luminopsin
FZ	furimazine
FFz	fluorofurimazine
FLuc	firefly luciferase
GFP	green fluorescent protein
GPCR	G protein-coupled receptor
GLuc	Gaussia luciferase
GeNL	green nanolantern
HispS	hispidin synthase
H3H	hispidin-3-hydroxylase
HBD	helix bundle domain
hAR	human androgen receptor
iLID	improved light-induced dimer
iLMO	inhibitory LMO
LOV	light-oxygen-voltage
LMO	luminopsin
LuCID	luciferin- and calcium-induced dimerization
LiPOP1	light-induced nonapoptotic tool 1
luminGAVPO	luminescent transcription factor GAVPO
MLKL	mixed-lineage kinase domain-like pseudokinase
Mac	Leptosphaeria maculans
NanoBiT	NanoLuc binary technology
NpHR	Natronomonas halorhodopsin
nLuc	nanoluciferase
Phy	phytochrome
PHR	photolyase-homologous region
Rluc	Renilla luciferase
RFP	red fluorescent protein
SR/ER	sarco/endoplasmic reticulum
SPARK2	Specific protein association tool giving transcriptional readout with rapid kinetics
SFLMO	step-function luminopsin
sbGLuc	slow burn Gluc
slGLuc	super luminescent Gluc
TEVcs	tobacco etch virus cleavage site
T1D	type 1 diabetes
TnC	troponin C domain
UCNPs	upconversion nanoparticles
VVD	photoreceptor vivid
VChR1	Volvox channelrhodopsin-1