Table 1.

RT inhibitor susceptibilities for HIV-1 subtype B and subtype C recombinant RTs

RT inhibitors	IC50 (μM)a
	B RT-1b	B RT-2c	C RT-1 d	C RT-2 e
ZDV-TP	3.1 ± 0.5	2.9 ± 0.4	4.3 ± 0.4	3.8 ± 0.5
3TC-TP	2.7 ± 0.3	4.2 ± 0.5	3.7 ± 0.6	4.1 ± 0.4
TFV-DP	2.5 ± 0.3	2.1 ± 0.3	2.6 ± 0.5	2.9 ± 0.4
NVP	3.2 ± 0.4	5.3 ± 1.4	3.3 ± 0.4	4.3 ± 0.3
EFV	0.11 ± 0.03	0.22 ± 0.03	0.20 ± 0.02	0.18 ± 0.02
ETR	0.17 ± 0.03	0.16 ± 0.02	0.15 ± 0.04	0.19 ± 0.03

^a Data represent means ± standard deviations of three determinations.

^b NL4-3

^c HXB2

^d Isolate BG05 (GenBank accession number AF492609)

^e Isolate M01 (GenBank accession number AF492603)