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Fig. 2 | BMC Biotechnology

Fig. 2

From: Characterization of a novel thermostable and xylose-tolerant GH 39 β-xylosidase from Dictyoglomus thermophilum

Fig. 2

SDS-PAGE analysis of recombinant Xln-DT β-xylosidase expressed in E.coli BL21 (DE3). Lane M: protein marker; Lane 1: the crude extract of E.coli BL21 (DE3) harboring pET-20b; Lane 2: the crude extracts of Xln-DT β-xylosidase; Lane 3: the cell extracts after sonication were heat treated at 75 °C for 30 min; Lane 4: purified Xln-DT β-xylosidase by Ni-NTA resin affinity chromatography

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