Fig. 1

(A-D) SignalP 6.0 provides predictions regarding the signal peptide of the target protein. A: Presents the prediction results for the VirB3 signal peptide,B:Illustrates the prediction results for the VirB6 signal peptide,C:Displays the prediction results for the VirB6 signal peptide,D:Provides the prediction results for the BtpA signal peptide.