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. Author manuscript; available in PMC: 2011 Feb 9.
Published in final edited form as: Biochemistry. 2010 Feb 9;49(5):827. doi: 10.1021/bi901889t

Figure 2. Footprinting of a model GPCR – rhodopsin.

Figure 2

Rhodopsin is shown as gray ribbons whereas amino acid residues found to be modified following exposure to X-rays are shown as red sticks. The N- and C-termini are indicated together with the transmembrane region. The rhodopsin chromophore, 11-cis-retinal, is shown in blue near the intradiscal side of the membrane.