Projection structure of a two-dimensional rhodopsin crystal.
A two-dimensional rhodopsin crystal is a regular periodic arrangement of rhodopsin molecules in a lipid bilayer. Two rhodopsin molecules are indicated by circles and the repeating unit is indicated. >>> |
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The Arrangement of the alpha-helices in the rhodopsin molecule.
The arrangement of seven helices in rhodopsin shown is based on the density map obtained fromelectron cryomicroscopy. In the rhodopsin molecule a band of tilted helices (1,2,3 and 5) runs through the molecules with two nearly perpendicular helices on one side (6 and 7) and one helix on the other side (4).
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