Fig. 3From: Novel signal peptides improve the secretion of recombinant Staphylococcus aureus Alpha toxinH35L in Escherichia coli Western blot and titer analyses of secreted ATH35L by Set I novel signal peptides in cell culture medium in 1L fed-batch bioreactor. a Western blot analysis of the secreted ATH35L protein. Arrow indicates secreted ATH35L protein and asterisk indicates leaked ATH35L precursor from dead cells. b Quantification of ATH35L protein in cell culture medium at 10 h post-inductionBack to article page