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Fig. 9. Chemical shifts and helical wheel representation of DpreS sequences. Difference values of the observed Cα proton chemical shifts relative to the ‘random coil’ values according to Wishart et al. (1995). The thresholds of ±0.1 p.p.m. are indicated by dashed lines, values below –0.1 p.p.m. are shaded in gray. (A) DpreS86–115 in aqueous solution. (B) Helix wheel presentation of residues T89–E104. Hydrophobic residues are boxed, basic residues are underlined, acidic residues are in italic.
