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. Author manuscript; available in PMC: 2010 Dec 10.
Published in final edited form as: J Med Chem. 2009 Dec 10;52(23):7689–7705. doi: 10.1021/jm900695w

Table 4.

Enzyme inhibitory activity of 19a-c, 20a-c, 21a-c

Inhibitor structure Ki (nM) IC50 (nM)a
graphic file with name nihms-145668-t0031.jpg 82 ± 2 >1000
graphic file with name nihms-145668-t0032.jpg 16 ± 1 >1000
graphic file with name nihms-145668-t0033.jpg 6.9 ± 0.2 >1000
graphic file with name nihms-145668-t0034.jpg 6.8 ± 0.8 >1000
graphic file with name nihms-145668-t0035.jpg 15 ± 3 380
graphic file with name nihms-145668-t0036.jpg 6 ± 1 200
graphic file with name nihms-145668-t0037.jpg 2.8 ± 0.3 6.3
graphic file with name nihms-145668-t0038.jpg 3.7 ± 0.3 650
graphic file with name nihms-145668-t0039.jpg 58 ± 6 >1000
graphic file with name nihms-145668-t0040.jpg 0.31 ± 0.03 9
graphic file with name nihms-145668-t0041.jpg 0.15 ± 0.01 52
graphic file with name nihms-145668-t0042.jpg 0.07 ± 0.02 170
a

MT-2 human T-lymphoid cells exposed to HIV-1LAI; Saquinavir and amprenavir exhibited IC50 values of 16 nM and 27 nM, respectively.