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. 2017 Feb 7;10:68. doi: 10.1186/s13071-017-2003-1

Fig. 4.

Fig. 4

Expression of rCSUI_005805. Lane M: molecular weight marker. a Analysis of expressed recombinant protein by SDS-PAGE: uninduced culture (Lane 1); induced culture with 1 mM IPTG for 0.5 h (Lane 2) and 1 h (Lane 3), arrows indicate target protein bands of ~42 kDa. b SDS-PAGE analysis of NiNTA spin column purified rCSUI_005805: elution 1 (Lane 1); elution 2 (Lane 2), arrows indicate faint protein bands of ~25 kDa; naïve merozoite lysate (Lane 3). c Batch purified rCSUI_005805 using NiNTA agarose: stepwise elution (Lanes 1–5), arrows indicate faint protein bands of ~42 kDa. d Immunoblot of batch purified rCSUI_005805 probed with anti-His HRP conjugate (Lane 1)