Báo cáo khoa học: The crystal structure of annexin Gh1 from Gossypium hirsutum reveals an unusual S3 cluster Implications for cellulose synthase complex formation and oxidative stress response
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The three-dimensional crystal structure of recombinant annexin Gh1 fromGossypium hirsutum(cotton fibre) has been determined and refined to the finalR-factor of 0.219 at the resolution of 2.1 A ˚ . This plant annexin consists of the typicalannexin fold and is similar to the previously solved bell pepper annexinAnx24(Ca32), but significant differences are seen when compared to the structure of nonplant annexins. A comparison with the structure of the mamma-lian annexin AnxA5 indicates that canonical calcium bind-ing is geometrically possible within the membrane loops in domains I andIIofAnx(Gh1) in theirpresent conformation....
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