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(A) Three-dimensional structure. (B) Molecular surface colored by electrostatic potential (ranging from 1 to 10 kcal/(mol e)). (C) Distribution of basic (blue) and hydrophobic (red) amino acids. (D) Molecular surface colored by hydrophobicity (using the Kyte-Doolittle scale). Visualized using University of California, San Francisco (UCSF) Chimera.
