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Báo cáo khoa học: Architecture of the Helicobacter pylori Cag-type IV secretion system
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Type IV secretion systems (T4SS) are macromolecular assemblies used by bacteria to transport material across their membranes. T4SS are generally composed of a set of twelve proteins (VirB1–11 and VirD4). This repre-sents a dynamic machine powered by three ATPases.
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