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Fig. 1 | BMC Ophthalmology

Fig. 1

From: Modeling and simulation of phototransduction cascade in vertebrate rod photoreceptors

Fig. 1

Major chemical reaction transition diagram (R-rhodopsin, R*-activated rhodopsin, G--G protein, G*-- activated G protein, E--phosphodiesterase or PDE, E*-- a single activated subunit of PDE, cG--cGMP, C1 and C2--intermediate complexes. Mass diffusion processes. u denotes light intensity. All the “k”s are reaction rates. Typically, they have the unit 1/s (first reaction kinetics) or mol/s (second reaction kinetics) depending on the unit used for the concentrations)

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