Table 3.

Experimental IC₅₀ values for SQ435 and Enfuvirtide against five clinical isolates of HIV-1 envelope

Envelope	IC50 SQ435 (mM)			IC50 Enfuvirtide (nM)
	Donor 195	Donor 196	All data	Donor 195	Donor 196	All data
HXB2	193	156	174	4.3	14.4	7.5
SF162	198	167	180	48	75	63
YU-2	148	73	103	37	49	42
C98v1e4	237	199	215	64	59	62
C109v1e4	195	257	227	17	39	35
All env	188 ± 11	158 ± 15	172 ± 10	23 ± 5	66 ± 11	40 ± 6