Figure 3From: Thermoanaerobacterium thermosaccharolyticum β-glucosidase: a glucose-tolerant enzyme with high specific activity for cellobioseSDS-PAGE analysis of recombinant BGL in E. coli JM109(DE3). Lane M: protein marker, lane 1: cell-free extract of JM109(DE3) harboring pET-20b, lane 2: cell-free extract of JM109(DE3) harboring pET-20b-BGL, lane 3: cell-free extract of JM109(DE3) harboring pET-20b-BGLII, lane 4: purified BGL (4 μg).Back to article page