BeRh	Rhodopsin domain of the rhodopsin-guanylyl cyclase from Blastocladiella emersonii
BeRhGC	Rhodopsin-guanylyl cyclase from Blastocladiella emersonii
cAMP	Cyclic adenosine monophosphate
CaRh	Rhodopsin domain of the rhodopsin-guanylyl cyclase from Catenaria anguillulae
CaRhGC	Rodopsin-guanylyl cyclase from Catenaria anguillulae
ChR2	Channelrhodopsin-2
cGMP	Cyclic guanosine monophosphate
CHS	Cholesteryl hemisuccinate
DDM	n-dodecyl β-d-maltoside
FWHM	Full width at half maximum
Fu	Funnel state
G	Ground-state
GTP	Guanosine triphosphate
HEPES	4-(2-Hydroxyethyl)-1-piperazineethanesulfonic acid
I	Intermediate state at TS0 transition state position
IC	Internal conversion
K	K-state in photocycle (PRSB13-cis)
L	L-state in photocycle (PRSB13-cis,cirp)
LE	Locally excited state
LED	Light emitting diode
M	M-state in photocycle (RSB13-cis)
MOPS	3-(N-morpholino) propanesulfonic acid
Prod	Photoproduct
PRSB	Protonated rerinal Schiff base
Retxxx	Retinal photoproduct with absorption maximum at wavelength xxx nm
Rh-xxx	Rhodopsin isomer with absorption maximum at wavelength xxx nm
RSB	Retinal Schiff base
Trp	Tryptophan
TS0	Transition state on S0 ground-state potential energy surface
Tyr	Tyrosine