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. Author manuscript; available in PMC: 2014 May 30.
Published in final edited form as: Anal Chem. 2012 Sep 11;84(19):8340–8344. doi: 10.1021/ac3018873

Figure 1.

Figure 1

Schematic presentation of apoE isoforms. Cysteine–arginine replacements at positions 112 and 158 are shown in red. Tryptic peptides are shown in bold.