Figure 4. The residue usage in the proximal context and the microenvironments.
(A-D) The radar diagrams which illustrate (A) the average residue frequencies in the proximal context (sequence neighbors within the ±6 residue range around the central lysine); (B) the average residue propensities in the first shell (Cβ distance, 0Å~7.5 Å proximal to the central lysine); (C) the average residue propensities in the second shell (Cβ distance, 7.5Å~11.5 Å); (D) the average residue propensities in the third shell (Cβ distance, 11.5Å~15.5 Å).