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GyrA Amino Acid Substitutions Associated with Levofloxacin-Resistant H. pylori. N; asparagine; A; alanine; Y; tyrosine; D; Aspartic acid; K; lysine; P; proline; G; glycine. Blue indicates the corresponding mutation. UB, Ulaanbaatar city. Provinces: Kh, Khuvsgul; Uvs, Uvs; Ke, Khentii.
