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Prediction of the hydrophobicity and secondary structure of AbpS. (A) The predicted secondary structure of AbpS. α-helical structures are indicated with shaded boxes, and β-sheets are indicated with filled boxes. (B) Hydrophobicity values were calculated according to the method of Kyte and Doolittle (18). Transmembrane segments correspond to the values above the dotted line. The predictions were made with the help of the computer program PSAAM. aa, amino acid.
