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. 2016 Sep 7;5(3):36. doi: 10.3390/plants5030036

Figure 4.

Figure 4

Chromatographic purification steps of B. napus cruciferin from pH 8.5, 50 mM Tris-HCl extraction. (A) Chromatogram of protein extract separated on Sephadex G-25 Hiprep™ 26/10 desalting column; (B) Chromatogram of Peak 1 of desalting column separated on Resource S Cation Exchange Column (CEX); (C) Chromatogram of Peak 2 separated on Sephacryl S-300 Hiprep™ 26/10 high-resolution size exclusion column (SEC); (D) Polypeptide profiles of B. napus meal and Peak 1 obtained from desalting column; (E) Polypeptide profiles of Peak 2, Peak 3 and (F) Peak 4 obtained from CEC and S-300 SEC, respectively. Polypeptide profiles were obtained under non-reducing conditions using 8%–25% precast gradient gels. Each lane contained approximately the same protein content. MWM: Molecular weight markers.