Fig. 4From: Soluble expression of recombinant active cellulase in E.coli using B.subtilis (natto strain) cellulase geneAnalysis of expressed recombinant cellulase on 10% SDS-PAGE. Lane 1, protein marker (GeNei); lane 2, supernatant of cell lysate; lane 3, pellet of cell lysate (20 μl); lane 4, pellet of cell lysate (40 μl) with arrow showing expressed cellulase protein; lane 5, BL21 cells carrying pET21a plasmid without geneBack to article page