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. 2016 Winter;5(1):37–48.

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Fig. 3 — Western blot analysis of the expressed r-B-flagellin protein in E. coli BL21. Lane 1: total cell lysate of non-induced bacteria; lane 2: total cell lysate of bacteria after 21 h induction; lane 3: purified r-B-flagellin by Ni²⁺-NTA agarose; lane M: molecular weight marker proteins.