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Characterization of the apolipoprotein A-I (apoA-I). (A) The protein purity: SDS-PAGE analysis. 1: standard molecular weight marker (10–80 kDa), 2: apoA-I, 3: High-density lipoprotein (HDL). (B) Fourier Transform Infrared Spectroscopy (FTIR) analysis of apoA-I secondary structure. Peak deconvolution of Amide I of apoA-I using OriginPro software. Peak 3—α-Helix; peaks 1, 6—β-Strand; peaks 4, 5—β-Turn; peak 2—random coil. (C) The secondary structure content (%) of apoA-I.
