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. 1999 Feb;43(2):264–270. doi: 10.1128/aac.43.2.264

TABLE 2.

IC50s, IC90s, and fold increases in resistance for various HIV-1 clones

Virus Mutation(s) IC50 (μM) IC90 (μM)
xxBRUpitt 0.6 1.3
181C/YEU Y181C 0.4 0.7
HIV-1SUM9 0.4 0.9
HIV-1SUM8 Q151M 0.9 (2)a 2.8 (2.8)
HIV-1SUM12 F77L/F116Y/Q151M 2.7 (6.4) 6.8 (6.8)
HIV-1SUM13 A62V/V75I/F77L/F116Y/Q151M 3.3 (8) 8.2 (8.2)
M184Vpitt M184V >10 (>20) >10 (>10)
a

Values in parentheses are fold resistance (fold increase in ICs relative to the mean IC50s and IC90s for wild-type HIV-1).