TABLE 3.

Rescue of Y36S-L41P mutant by VSV-G

Transfection mixturea	Titer
	BCFU/mlb	Relative to NL4-3 + sssDNA
sssDNA (negative control)	<1	<8 × 10−7
NL4-3 + sssDNA	1.3 × 106	1
NL4-3 + VSV-G	1.2 × 107	11
Y36S-L41P + VSV-G	1.4 × 105	0.1
NL4-3 Env− + VSV-G	5.3 × 104	4 × 10−2
Y36S-L41P + sssDNA	8	6 × 10−6
NL4-3 Env + sssDNA	62	5 × 10−5
sssDNA + VSV-G	<1	<8 × 10−7

^a1:1 (wt/wt) DNA cotransfection ratio. 

^bDetermined by HCLZ assay.