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. 1982 Feb;79(4):1116–1120. doi: 10.1073/pnas.79.4.1116

Two-dimensional rhodopsin crystals from disk membranes of frog retinal rod outer segments.

J M Corless, D R McCaslin, B L Scott
PMCID: PMC345911  PMID: 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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Selected References

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