Fig. 4From: A hemolysin secretion pathway-based novel secretory expression platform for efficient manufacturing of tag peptides and anti-microbial peptides in Escherichia coliSecretory expression and purification of the tags fusion protein. a Plasmid pET-Tag-THHly. b Secretory expression of the Tag-THHly fusion proteins. W whole-cell lysate, S supernatant. c Purification curve of STHHly. d, e Purification of STHHly (d) and TTHHly (e). S supernatant, L loading sample, FT flow through, E eluent. The arrows indicate Tag-THHly in b, STHHly in d, and TTHHly in eBack to article page