Figure 1From: Secretory production of tetrameric native full-length streptavidin with thermostability using Streptomyces lividans as a host Sav variants constructed in this study. (A) Savnat, native full-length Sav; (B) Savcore, Sav composed of the core region; (C) SavΔN, N-terminal region truncated Sav; (D) SavΔC, C-terminal region truncated Sav. Underline indicates original signal peptides of Sav.Back to article page