TABLE 4.

Rescue of Y36S-L41P mutant by MuLV Env

Transfection mixturea	Titer
	BCFU/mlb	Relative to NL4-3 + sssDNA
sssDNA (negative control)	7	6 × 10−6
NL4-3 + sssDNA	1.2 × 106	1
NL4-3 + Mo10A1	2.7 × 106	2
Y36S-L41P + Mo10A1	3.9 × 104	3 × 10−2
NL4-3 Env− + Mo10A1	7.9 × 103	7 × 10−3
Y36S-L41P + sssDNA	9	8 × 10−6
NL4-3 Env− + sssDNA	16	1 × 10−5
sssDNA + Mo10A1	<1	<8 × 10−7

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

^bDetermined by HCLZ assay.