The translocation to
the periplasmic space is possible due to the presence of a specific
signal peptide sequence. This signal sequence generally contains
15–30 residues and consists of three specific regions: the positively
charged N-terminal region (N-region), the hydrophobic region (Hregion)
and the neutral C-region at the C-terminal end that is
recognized by the signal peptidases in the periplasmic space