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Homology model of bowerbird rhodopsin, illustrating the relative difference between A292 and N83 in distance from the chromophore. The A292 side chain is 4.5 Å from the Schiff Base of the chromophore (SB). N83 is more distant from the chromophore; however, it interacts with N55 (3.4 Å), and indirectly with N302 via a water molecule. Model was generated from bovine rhodopsin.48
