Keywords: تورا; SP; signal peptide; SPase; signal peptidase; ER; endoplasmic reticulum; LHCGR; human luteinizing hormone receptor; CADA; cyclotriazadisulfonamide; hCD4; human CD4; aa; amino acid; PMF; proton motive force; VSV-G; vesicular stomatitis virus G-protein; MBP;