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. 2004 Aug;13(8):2270–2274. doi: 10.1110/ps.04777304

Figure 2.

Figure 2.

Amino acid frequencies in six 5.0 Å sections of the membrane from the N-terminal side (abscissa, left) to the C-terminal side (abscissa, right) of the membrane. (A) The frequencies of some of the polar amino acids, Asp (solid bar), Glu (diagonally hatched bar), Lys (vertical stripes), Asn (open bar), Gln (vertically hatched bar), and Arg (diagonal stripes). (B) The frequency of Tyr alone. (C) The frequencies of the hydrophobic amino acids, Phe (solid bar), Ile (diagonally hatched bar), Leu (vertically striped bar), and Val (open bar).