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. Author manuscript; available in PMC: 2009 Sep 8.
Published in final edited form as: Biochemistry. 2006 May 2;45(17):5538–5550. doi: 10.1021/bi060101v

Figure 2.

Figure 2

Ribbon model of rhodopsin in the inactive state (PDB ID 1GZM). Yellow spheres show the Cα atoms corresponding to sites where the R1 side chain was substituted in the present study (140, 227, 250, and 316). The location of the lipid bilayer relative to the protein was positioned according to SDSL and electron microscopy studies (see text). Helices are color coded as follows: TM3, green; TM5, blue; TM6, red; H8, magenta.