Role of the long cytoplasmic domain of the SIV Env glycoprotein in early and late stages of infection

Retrovirology

Table 4 Replication of SIV variants generated in human 293T cells.

Virus ^a	JC-53B titer ^b IU ^c /ml	ELISA (p27) ^b ng/ml	IU/ng ^c	(fold difference from SIVmac239)
SIVmac239	1 × 10³	306	3	-
SIVmac239T	6 × 10³	101	59	20
SIVmac18	1 × 10³	117	9	3
SIVmac18T	3 × 10⁴	65	461	154

^aViruses were obtained simultaneously after transfection of 293T cells with equimolar amounts of DNA.
^bAssays are described in Methods.
^cInfectious units

ISSN: 1742-4690