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Histidine phosphocarrier protein, mol. model

Molecular model of histidine phospho-carrier protein HPR (pdb code: 1poh)(ribbon diagram, cylinders are alpha-helices, His-15 shown as ball- and-stick model). HPR is part of the phospho- enolpyruvate-dependent sugar phospho- transferase system (PTS), a major carbohydrate active transport system moving certain hexoses across the cytoplasmic membrane of bacteria and mycoplasmas. The His-15 at the ac…