Fig. 2: Photocycles of solubilized rhodopsins at acidic and alkaline pH.
From: Mirror proteorhodopsins

Photocycle of SpaR at (a) pH5.0, at (b) pH8.0. Photocycle of green proteorhodopsin (PR)3 at (c) pH5.0, at (d) pH10.0.
From: Mirror proteorhodopsins

Photocycle of SpaR at (a) pH5.0, at (b) pH8.0. Photocycle of green proteorhodopsin (PR)3 at (c) pH5.0, at (d) pH10.0.