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ABSTRACT:
SUBMITTER: Kouyama T
PROVIDER: S-EPMC4188009 | biostudies-literature | 2014 Oct
REPOSITORIES: biostudies-literature
Kouyama Tsutomu T Fujii Ryudo R Kanada Soun S Nakanishi Taichi T Chan Siu Kit SK Murakami Midori M
Acta crystallographica. Section D, Biological crystallography 20140927 Pt 10
Archaerhodopsin-2 (aR2), the sole protein found in the claret membrane of Halorubrum sp. Aus-2, functions as a light-driven proton pump. In this study, structural analysis of aR2 was performed using a novel three-dimensional crystal prepared by the successive fusion of claret membranes. The crystal is made up of stacked membranes, in each of which aR2 trimers are arranged on a hexagonal lattice. This lattice structure resembles that found in the purple membrane of H. salinarum, except that lipid ...[more]