Table 3 Parameters in the current models.

From: Mathematical analysis of phototransduction reaction parameters in rods and cones

Parameter	Unit	In vitro model		Intact model	References	Species
Parameter	Unit	Rod	Cone	Rod	References	Species
k_RK1	μM⁻¹ s⁻¹	0.462	9.6	0.462	¹⁷	carp
k_RK2	s⁻¹	6.0	80	6.0	¹⁷	carp
k_RK3	μM⁻¹ s⁻¹	0.16	0.26	0.16	¹⁷	carp
k_RK4	s⁻¹	1.5	7.0	1.5	¹⁷	carp
k_RK5	s⁻¹	1.083	37.5	1.083	¹⁷	carp
k_RK6	s⁻¹	100	1500	100	¹⁷	carp
kⁱ_RK1	μM⁻¹ s⁻¹	0.231	4.8	0.231	^17,18	carp
kⁱ_RK2	s⁻¹	3.0	40	3.0	^17,18	carp
kⁱ_RK3	μM⁻¹ s⁻¹	0.08	0.13	0.08	^17,18	carp
kⁱ_RK4	s⁻¹	0.75	3.5	0.75	^17,18	carp
kⁱ_RK5	s⁻¹	0.542	18.75	0.542	^17,18	carp
kⁱ_RK6	s⁻¹	50	750	50	^17,18	carp
k₁	s⁻¹	1.0	120	1.0	²	carp
k₂	s⁻¹	0.0056	0.0336	0.0056	^2,19	carp,frog
k₃	s⁻¹	0.001	0.006	0.001	^2,19	carp,frog
k₄	s⁻¹	0.0053	0.0318	0.0053	^2,19	carp,frog
k_G1,0	μM⁻¹ s⁻¹	3.57	35.7	3.57	^11,18	vertebrate, carp
k_G1,1	μM⁻¹ s⁻¹	1.96	14.5	0	¹⁸	carp
k_G1,2	μM⁻¹ s⁻¹	1.08	5.9	0	¹⁸	carp
k_G1,3	μM⁻¹ s⁻¹	0.59	2.4	0	¹⁸	carp
k_G2	s⁻¹	50	2250.34	50	^12,18	vertebrate, carp
k_G3	s⁻¹	1000	370.4	1000	^11,18	vertebrate, carp
k_G4[GDP]	s⁻¹	600	2.0	600	^11,18	vertebrate, carp
k_G5	s⁻¹	3.0	1	3.0	^11,18	vertebrate, carp
k_G6	s⁻¹	2000	2000	2000	¹¹	vertebrate
k_G7	s⁻¹	200	200	200	¹¹	vertebrate, carp
k_P1	μM⁻¹ s⁻¹	250	300	250	^8,20	carp
k_P2	s⁻¹	1000	1000	1000	^8,20	carp
k_P3	μM⁻¹ s⁻¹	100	100	100	^8,20	carp
k_P4	s⁻¹	1.0	1.0	1.0	^8,20	carp
k_elution	s⁻¹	80,000	80,000	0.0	^8,20	carp
k_decay	s⁻¹	0.045	0.64	0.045	¹⁰	carp
VP_total	μM	3000	3000	3000	²	carp
RK_free	μM	12	120	12	²	carp
Tr_free	μM	280	280	280	²	carp
PDE_free	μM	11	11	11	²	carp
ATP	μM	Dependence on experiment	Dependence on experiment	1000	^{21,22,23,24,25,26}	rabbit, frog, bovine
GTP	μM	Dependence on experiment	Dependence on experiment	1000	^21,25	rabbit, frog

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