Isolation of the cell membrane of Halobacterium halobium and its fractionation into red and purple membrane.

Cell Division Cell Fractionation/methods Cell Membrane/analysis,ultrastructure Cell Wall/metabolism Centrifugation, Density Gradient Filtration Halobacterium/analysis,metabolism,ultrastructure Microscopy, Electron Mutation Spectrophotometry Spectrophotometry, Ultraviolet Ultracentrifugation