Figure 1.

Schematic representation of pHIV-1pgkmsulp lentiviral vector. Schematic of pHIV-1pgkmsulp lentiviral vector showing pertinent elements. L, long terminal repeat, gag, gag gene sequence; rre, Rev-response element; c, central polypurine tract; pgk, murine phosphoglycerate kinase gene promoter; sulphamidase, murine sulphamidase cDNA sequence.