E6 (Phe22), Pro8 (Pro24), and Leu10 (Leu26) (Fig. 1C). Clear density
E6 (Phe22), Pro8 (Pro24), and Leu10 (Leu26) (Fig. 1C). Clear density is observed for the Cterminal Leu10 (Leu26) with the activation peptide chain, revealing that residues Ser11Ala12Arg15 (Ser27Ala28Arg29) of the…