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. 2020 Mar 24;64(4):e02532-19. doi: 10.1128/AAC.02532-19

TABLE 5.

Cross-resistance of FHNA-resistant and other mutants against mycophenolic acid and 6-azauridinea

rCHIKV Mycophenolic acid
6-Azauridine
Mean EC50 (μM) ± SD Fold resistance EC50 (μM) ± SD Fold resistance
wt 0.4 ± 0.01 1 0.3 ± 0.01 1
R171Q 4.2 ± 2.8 11 0.8 ± 0.1 3
*524R 6.3 ± 11.4 16 8.9 ± 3.4 30
G230R+K299E 1.1 ± 0.5 3 1.1 ± 0.1 4
G230R+K299E+*524R 0.5 ± 0.03 1 0.9 ± 0.1 4
a

The fold resistance = (EC50 recombinant mutant/EC50 wt).