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Table 2 Pattern and frequency mutations and polymorphisms with potential impact on INIs reduced susceptibility of INIs among HIV-1 subtype C (n = 45)

From: Lack of integrase inhibitors associated resistance mutations among HIV-1C isolates

Minor INI-resistance mutations Frequencey
L74 M 1 (2.2)
L74Ia 4 (8.8)
T97A 2 (4.4)
E138Xa 4 (8.8)
G163Ea 6 (13.3)
G163 Va 2 (4.4)
G163 Wa 3 (6.6)
Minor INI accessory mutations
 V201I 37 (82.2)
 I203 M 6 (13.3)
  1. aUnusual mutations in non-polymorphic sites associated with minor INI mutations (according to The Stanford University HIV drug resistance database; http://hivdb.stanford.edu)