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. 2020 Feb 25;12(1):1729683. doi: 10.1080/19420862.2020.1729683

Figure 4.

Figure 4.

A surface epitope region (red) consisting of 12 different amino acids selected from the exposed surface of the protein, PCSK9 (PDB: 2PMW). An outline of each residue side-chain is indicated by a yellow circle or oval. The epitope region is used to calculate the combinations of each unique residue set from 1 to 12 residues that could be addressed by different antibodies. The surface region is redrawn from the PDB structure (2PMW; reference 75) using Adobe Illustrator See text for explanation.