Nucleotide substitution: T494C. Nucleotide substitution: C518T. Nucleotide substitution: A544G. Nucleotide substitution: C570T. Nucleotide substitution: T589G. Nucleotide substitution: G643T. Nucleotide substitution: G653T. Nucleotide substitution: A662G. Nucleotide substitution: A690C. Nucleotide substitution: A1955G. Nucleotide substitution: A1985G. Nucleotide substitution: T2032T. Nucleotide substitution: T2149C. Nucleotide substitution: T2588A. Nucleotide substitution: A2629G. Nucleotide substitution: G2709A. Nucleotide substitution: C2886G. 19bp starting at nucleotide position 348. (Substitutions are relative to the "S26-F" strain. Transcription start site corresponds to nucleotide position 1184).