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. 2016 Sep 7;11(9):e0162272. doi: 10.1371/journal.pone.0162272

Fig 6. Prokaryotic expression of the As-G1LEA protein.

Fig 6

(A) Expression analysis of the recombinant As-G1LEA protein. Lane M: Protein markers from 10 to 120 kDa. Lanes 1–4 show the expression of the recombinant As-G1LEA protein from four induction treatments (1 mM IPTG at 37C, 1 mM IPTG at 30C, 0.25 mM IPTG at 37C, and 0.25 mM IPTG at 30C, respectively). Lane 5: Total proteins from non-induced cells. Lane 6: total proteins from induced cells harboring pET-30a (control). (B) Determination of the solubility of the As-G1LEA recombinant protein. Lane 1: Total proteins from non-induced cells. Lane 2: Total As-G1LEA recombinant protein. Lane 4: Soluble fraction of the lysate from induced cells harboring pET-30a-G1LEA. Lane 4: Insoluble fraction of the lysate from induced cells harboring pET-30a-G1LEA. (C) Lane 1: Unpurified, induced As-G1LEA recombinant protein. Lane 2: Flow-through proteins. Lane 3: 20mM imidazole eluate. Lane 4: 40mM imidazole eluate. Lane 5: 60 mM imidazole eluate. (D) Western blot showing specific binding of the antibody to the A. sinica protein.