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  • Title: Two-dimensional rhodopsin crystals from disk membranes of frog retinal rod outer segments.
    Author: Corless JM, McCaslin DR, Scott BL.
    Journal: Proc Natl Acad Sci U S A; 1982 Feb; 79(4):1116-20. PubMed ID: 6175962.
    Abstract:
    Two-dimensional crystals of rhodopsin have been prepared from purified frog disk membranes by using the detergent Tween 80. The space group of the orthorhombic crystals is p22121; the unit cell dimensions are 47 X 151 A. Projection maps of negatively stained preparations have been calculated to a resolution of approximately 22 A. The rhodopsin molecules are associated as dimers that appear to be slightly sigmoidal and are 20-25 A in width and 70-80 A in length.
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