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Table 3 Frequency of mutations in katG gene codons 293, 315 and 463 in 140 INH-resistant strains of M. tuberculosis complex

From: Molecular detection and characterization of resistant genes in Mycobacterium tuberculosis complex from DNA isolated from tuberculosis patients in the Eastern Cape province South Africa

  katGgene mutation positions
  N293 → G S293 → G S315 → T S315 → N T315 → N T315 → S R 463 → L
No. of strains (%) 10 (7.1%) 10 (7.1%) 20 (14.3%) 50 (35.7%) 10 (7.1%) 10 (7.1%) 10 (7.1%)
  1. N = Asparagine; G = Glycine; S = Serine; T = Threonine; R = Arginine; L = Leucine.